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Finding the Third Proportional to 60,366 and 78,876

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Solution

The third proportional to 60,366 and 78,876 is: 103,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,366 : 78,876 = 78,876 : x
  2. Step 2: Convert to fraction form
    60,366/78,876 = 78,876/x
  3. Step 3: Cross multiply
    60,366x = 78,876 × 78,876
  4. Step 4: Simplify right side
    60,366x = 6,221,423,376
  5. Step 5: Solve for x
    x = 6,221,423,376/60,366
  6. Step 6: Final answer
    x = 103,061.71

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.