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Finding the Third Proportional to 48,331 and 76,695

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Solution

The third proportional to 48,331 and 76,695 is: 121,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331 : 76,695 = 76,695 : x
  2. Step 2: Convert to fraction form
    48,331/76,695 = 76,695/x
  3. Step 3: Cross multiply
    48,331x = 76,695 × 76,695
  4. Step 4: Simplify right side
    48,331x = 5,882,123,025
  5. Step 5: Solve for x
    x = 5,882,123,025/48,331
  6. Step 6: Final answer
    x = 121,704.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.