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Finding the Third Proportional to 47,396 and 71,022

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Solution

The third proportional to 47,396 and 71,022 is: 106,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396 : 71,022 = 71,022 : x
  2. Step 2: Convert to fraction form
    47,396/71,022 = 71,022/x
  3. Step 3: Cross multiply
    47,396x = 71,022 × 71,022
  4. Step 4: Simplify right side
    47,396x = 5,044,124,484
  5. Step 5: Solve for x
    x = 5,044,124,484/47,396
  6. Step 6: Final answer
    x = 106,425.11

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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.