document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208200>Question 1208200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The 1st term of a g.p is x and the 3rd is y  find an expression for the common ratio in terms of x and y\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #846461 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=846461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The 1st term of a g.p is x and the 3rd is y find an expression for the common ratio in terms of x and y\r<BR>\n" );
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document.write( "The general form of a GP = a,ar, ar^2, ar^3\r<BR>\n" );
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document.write( "where r is the common ratio\r<BR>\n" );
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document.write( "a is the first term\r<BR>\n" );
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document.write( "lets replace a with x\r<BR>\n" );
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document.write( "x,xr, xr^2, xr^3.......\r<BR>\n" );
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document.write( "xr^2=y\r<BR>\n" );
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document.write( "r^2=y/x\r<BR>\n" );
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document.write( "r = (+-sqrt(y/x))\r<BR>\n" );
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