document.write( "Question 939993: Solve the proportion. x:21 = 1:3 \n" ); document.write( "

Algebra.Com's Answer #572827 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+x%2F21+=+1%2F3+\"$
\n" ); document.write( "Multiply top and bottom of
\n" ); document.write( "the right side by $\"+7+\"$
\n" ); document.write( " $\"+x%2F21+=+%28+7%2F7+%29%2A%28+1%2F3+%29+\"$
\n" ); document.write( " $\"+x%2F21+=+7%2F21+\"$
\n" ); document.write( " $\"+x+=+7+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );