Question

(2) If (28-x) is the mean proportional of (23-x) and (19-x) then find the value of x.

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Answer 1

Answer:

ANSWER

28−x

23−x

=

19−x

28−x

i.e., (23−x)(19−x)=(28−x)

2

x

2

−42x+437=784−56x+x

2

56x−42x=784−437

14x=347

x=

14

347

.