The harmonic mean of three numbers is 18. if two numbers are 12, 36, the third numbers
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mean=sum/total
18=12+36+x/3
18×3=48+x
54-48=x
x=6
hope this answer was helpful
pls mark as brainliest
18=12+36+x/3
18×3=48+x
54-48=x
x=6
hope this answer was helpful
pls mark as brainliest
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