Mark M. answered • 02/03/21
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x2 = (3)(12)
x2 = 36
x = 6
3 : 6 :: 6 : 12
QED
Summer S.
asked • 02/03/21Find the mean proportional of 3 and 12
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2 Answers By Expert Tutors
(3) (x) (x) =12
3x^2=12
x^2=4
x=2
Stephen K.
tutor
Typo x^2= 3 x12 x=6
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02/04/21
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Mark M.
2 is not between 3 and 12!02/03/21