document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168533>Question 1168533</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A geometric sequence has four positive terms a1,a2,a3,a4. If a3/a1=9 and a1+a2=4/3, then what is a3? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793201 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793201\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If common ratio is r then  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D%2Fa%5B1%5D=r%5E2=9 ALIGN=MIDDLE  ALT=\"a%5B3%5D%2Fa%5B1%5D=r%5E2=9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and therefore <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28r=3%29 ALIGN=MIDDLE  ALT=\"highlight_green%28r=3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2Ba%5B2%5D=4%2F3 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2Ba%5B2%5D=4%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and from use of the ratio found,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2Ba%5B1%5D%2A3=4%2F3 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2Ba%5B1%5D%2A3=4%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28a%5B1%5D=1%2F3%29 ALIGN=MIDDLE  ALT=\"highlight_green%28a%5B1%5D=1%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "From that, term at index 3 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F3%29%2A3%5E2=highlight%283%29 ALIGN=MIDDLE  ALT=\"%281%2F3%29%2A3%5E2=highlight%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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