Finding the Third Proportional to 58,785.75 and 80,979.75
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Solution
The third proportional to 58,785.75 and 80,979.75 is: 111,552.88
Step by Step Solution
- Step 1: Write the proportion equation
58,785.75 : 80,979.75 = 80,979.75 : x - Step 2: Convert to fraction form
58,785.75/80,979.75 = 80,979.75/x - Step 3: Cross multiply
58,785.75x = 80,979.75 × 80,979.75 - Step 4: Simplify right side
58,785.75x = 6,557,719,910.06 - Step 5: Solve for x
x = 6,557,719,910.06/58,785.75 - Step 6: Final answer
x = 111,552.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.