document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199739>Question 199739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you prove two things are in proportion?\r<BR>\n" );
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document.write( "ex: PA:PB=PC:PD </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #150113 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=150113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cross multiply and see if the products are equal<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=PA%2FPB+=+PC%2FPD ALIGN=MIDDLE  ALT=\"PA%2FPB+=+PC%2FPD\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=PA%2APD+=+PC%2APB ALIGN=MIDDLE  ALT=\"PA%2APD+=+PC%2APB\"   DISABLED_style= \"max-width:90%; height:auto;\" >  assumes neither PB or PD are zero<BR>\n" );
document.write( "If the products are equal, then the proportion/ratios are the same </SPAN>\n" );
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