A) \[xy\text{ }=\text{ }yz\]
B) \[{{y}^{2}}\text{ }=\text{ }xz\]
C) \[xyz\text{ }=\text{ }x\]
D) \[zy\text{ }=\text{ }x\]
Correct Answer: B
Solution :
x:y::y:z \[\Rightarrow {{y}^{2}}=xz\]
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