document.write( "Question 668882: 2/3 and 5/8 are they proportional \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "2/3 and 5/8 are they proportional?\n" ); document.write( "check the cross products:\n" ); document.write( "& 16 ≠ 15, they are NOT proportional