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Finding the Third Proportional to 80,131 and 124,571

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Solution

The third proportional to 80,131 and 124,571 is: 193,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,131 : 124,571 = 124,571 : x
  2. Step 2: Convert to fraction form
    80,131/124,571 = 124,571/x
  3. Step 3: Cross multiply
    80,131x = 124,571 × 124,571
  4. Step 4: Simplify right side
    80,131x = 15,517,934,041
  5. Step 5: Solve for x
    x = 15,517,934,041/80,131
  6. Step 6: Final answer
    x = 193,657.06

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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.