Finding the Third Proportional to 87,716.25 and 135,708.75
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Solution
The third proportional to 87,716.25 and 135,708.75 is: 209,959.56
Step by Step Solution
- Step 1: Write the proportion equation
87,716.25 : 135,708.75 = 135,708.75 : x - Step 2: Convert to fraction form
87,716.25/135,708.75 = 135,708.75/x - Step 3: Cross multiply
87,716.25x = 135,708.75 × 135,708.75 - Step 4: Simplify right side
87,716.25x = 18,416,864,826.56 - Step 5: Solve for x
x = 18,416,864,826.56/87,716.25 - Step 6: Final answer
x = 209,959.56
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.