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Finding the Third Proportional to 71,375 and 93,880

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Solution

The third proportional to 71,375 and 93,880 is: 123,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375 : 93,880 = 93,880 : x
  2. Step 2: Convert to fraction form
    71,375/93,880 = 93,880/x
  3. Step 3: Cross multiply
    71,375x = 93,880 × 93,880
  4. Step 4: Simplify right side
    71,375x = 8,813,454,400
  5. Step 5: Solve for x
    x = 8,813,454,400/71,375
  6. Step 6: Final answer
    x = 123,480.97

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.