Finding the Third Proportional to 81,874.13 and 130,191.75
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Solution
The third proportional to 81,874.13 and 130,191.75 is: 207,023.79
Step by Step Solution
- Step 1: Write the proportion equation
81,874.13 : 130,191.75 = 130,191.75 : x - Step 2: Convert to fraction form
81,874.13/130,191.75 = 130,191.75/x - Step 3: Cross multiply
81,874.13x = 130,191.75 × 130,191.75 - Step 4: Simplify right side
81,874.13x = 16,949,891,768.06 - Step 5: Solve for x
x = 16,949,891,768.06/81,874.13 - Step 6: Final answer
x = 207,023.79
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.