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Finding the Third Proportional to 80,131 and 124,567

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Solution

The third proportional to 80,131 and 124,567 is: 193,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,131 : 124,567 = 124,567 : x
  2. Step 2: Convert to fraction form
    80,131/124,567 = 124,567/x
  3. Step 3: Cross multiply
    80,131x = 124,567 × 124,567
  4. Step 4: Simplify right side
    80,131x = 15,516,937,489
  5. Step 5: Solve for x
    x = 15,516,937,489/80,131
  6. Step 6: Final answer
    x = 193,644.63

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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.