Finding the Third Proportional to 81,331.88 and 176,235.75
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Solution
The third proportional to 81,331.88 and 176,235.75 is: 381,880.28
Step by Step Solution
- Step 1: Write the proportion equation
81,331.88 : 176,235.75 = 176,235.75 : x - Step 2: Convert to fraction form
81,331.88/176,235.75 = 176,235.75/x - Step 3: Cross multiply
81,331.88x = 176,235.75 × 176,235.75 - Step 4: Simplify right side
81,331.88x = 31,059,039,578.06 - Step 5: Solve for x
x = 31,059,039,578.06/81,331.88 - Step 6: Final answer
x = 381,880.28
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.