# Box Constant

Geometry Level 3

$k = \dfrac{F\cdot S}{V}$

Let $$F$$ be the Harmonic Mean of the width, length, & height of a box; $$S$$ be the total surface area of the box; and $$V$$ be the volume of the box.

What is the value of the constant $$k$$ satisfying the equation above?

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