document.write( "Question 1182541: If 7,m,n,189 are in gp, find m and n
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Algebra.Com's Answer #812621 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "189 is the 4th term of the GP, THEREFORE\r\n" );
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document.write( "    189 = 7*r^3\r\n" );
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document.write( "    r^3 = 189/7 = 27\r\n" );
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document.write( "    r =  = 3.\r\n" );
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document.write( "Hence,  m = 7*3 = 21;   n = 21*3 = 63.      ANSWER\r\n" );
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