find a if 3,a,7,28 are in proportion
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Answered by
10
Happy Product of means =Product of extremes
3:a::7:28
3×28=a×7
3×28/7=a
3×4=a
therefore a=12
pls mark it brainliest
3:a::7:28
3×28=a×7
3×28/7=a
3×4=a
therefore a=12
pls mark it brainliest
Answered by
3
a= 12 hope it is correct
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