Find the mean proportional between 81 & 100?	Answers:
A) A)59
B) B)61
C) C)63
D) D)65
E) E)90
Formula = √a×b   A = 81 and B = 100   √81×100 = 9 × 10 = 90   90
<result>E</result>
Find the mean proportional between 81 & 100?