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Finding the Third Proportional to 83,880 and 125,484

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Solution

The third proportional to 83,880 and 125,484 is: 187,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880 : 125,484 = 125,484 : x
  2. Step 2: Convert to fraction form
    83,880/125,484 = 125,484/x
  3. Step 3: Cross multiply
    83,880x = 125,484 × 125,484
  4. Step 4: Simplify right side
    83,880x = 15,746,234,256
  5. Step 5: Solve for x
    x = 15,746,234,256/83,880
  6. Step 6: Final answer
    x = 187,723.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.