Find the mean proportional between i-)1.25 and 1.8 ii-)253 and27

Answers (1)
  1. Mean proportional between 1.25 and 1.8=sqrt1.25	imes1.8 = sqrt2.25 = 1.5
  2. Mean proportional between frac253 and  27sqrtfrac253	imes27=sqrt25	imes9=sqrt225=15

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