document.write( "Question 1196576: Plese help me solve this geometric progression if 7,x,y,189 are in G.P Find x and y \n" ); document.write( "

Algebra.Com's Answer #829471 by greenestamps(13200) $\"\"$ $\"About$

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\n" ); document.write( "The 4th term, 189, is the first term, 7, multiplied by the common ratio 3 times:

\n" ); document.write( " $\"189=7r%5E3\"$
\n" ); document.write( " $\"r%5E3=189%2F7=27\"$
\n" ); document.write( " $\"r=3\"$

\n" ); document.write( "The common ratio is 3; you can do the simple arithmetic to find x and y.

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