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Finding the Third Proportional to 42,558 and 62,660.25

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Solution

The third proportional to 42,558 and 62,660.25 is: 92,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,558 : 62,660.25 = 62,660.25 : x
  2. Step 2: Convert to fraction form
    42,558/62,660.25 = 62,660.25/x
  3. Step 3: Cross multiply
    42,558x = 62,660.25 × 62,660.25
  4. Step 4: Simplify right side
    42,558x = 3,926,306,930.06
  5. Step 5: Solve for x
    x = 3,926,306,930.06/42,558
  6. Step 6: Final answer
    x = 92,257.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.