In a ratio, the two outer terms are exactly reciprocals of each other. It is known that one inner term is (23/5) and the other inner term is.
在一个比例中，两个外项正好互为倒数．已知一个内项是(23/5)，另一个内项是多少．
<gadget id="calculator">23 / 5</gadget>
<output>23/5 = around 4.6</output>

<gadget id="calculator">1 / (23/5)</gadget>
<output>5/23 = around 0.217391</output>

<result>5/23 = around 0.217391</result>