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Finding the Third Proportional to 57,612 and 124,872

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Solution

The third proportional to 57,612 and 124,872 is: 270,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612 : 124,872 = 124,872 : x
  2. Step 2: Convert to fraction form
    57,612/124,872 = 124,872/x
  3. Step 3: Cross multiply
    57,612x = 124,872 × 124,872
  4. Step 4: Simplify right side
    57,612x = 15,593,016,384
  5. Step 5: Solve for x
    x = 15,593,016,384/57,612
  6. Step 6: Final answer
    x = 270,655.70

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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.