document.write( "Question 816664: If 7, M, N and 189 are in G.P ( Geometric Progression). Find the values of M and N \n" ); document.write( "
Algebra.Com's Answer #491678 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "If 7, M, N and 189 are in G.P ( Geometric Progression). 
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document.write( "Find the values of M and N
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document.write( "\"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\"
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document.write( "\"a%5B4%5D+=+7%2Ar%5E%283%29+=+189\"   r = 3
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document.write( " 7, 21, 63, 189      M = 21  and N = 63 \n" );
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