document.write( "Question 726706: solve for x. 3 : 5 :: 81 : x \n" ); document.write( "
Algebra.Com's Answer #444744 by Alan3354(69443)\"\" \"About 
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solve for x. 3 : 5 :: 81 : x
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\n" ); document.write( "3:5::81:x no spaces
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\n" ); document.write( "Product of means = product of extremes
\n" ); document.write( "3x = 5*81
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\n" ); document.write( "It's the same as
\n" ); document.write( "3/5 = 81/x\r
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