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Finding the Third Proportional to 62,360 and 87,716

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Solution

The third proportional to 62,360 and 87,716 is: 123,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,360 : 87,716 = 87,716 : x
  2. Step 2: Convert to fraction form
    62,360/87,716 = 87,716/x
  3. Step 3: Cross multiply
    62,360x = 87,716 × 87,716
  4. Step 4: Simplify right side
    62,360x = 7,694,096,656
  5. Step 5: Solve for x
    x = 7,694,096,656/62,360
  6. Step 6: Final answer
    x = 123,381.92

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.