Question

fiend the mean portion between 3 and 27​

Answer 1

Answer:

The mean proportional between 3 and 27 is 9.

Step-by-step explanation:

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Answer 2

Answer:

ans) 9

Step-by-step explanation:

Three quantities a,b,c of same kind (in same units) are said to be in continuous if a:b = b:c i.e. a/b = b/c i.e. b² = ac

here, a = 3   b = 27

b² = ac

b² = 3×27

b² = 81

b = √81 = 9