Gaokao Math Practice Question
$\left\{a_{n}\right\}$ 和 $\left\{b_{n}\right\}$ 是两个等差数列, 其中 $\frac{a_{k}}{b_{k}}(1 \leq k \leq 5)$ 为常值, $a_{1}=288, a_{5}=96, b_{1}=192$, 则 $b_{3}= (\quad)$
- A.64
- B.128
- C.256
- D.512
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