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Finding the Third Proportional to 71,451 and 155,598

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Solution

The third proportional to 71,451 and 155,598 is: 338,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,451 : 155,598 = 155,598 : x
  2. Step 2: Convert to fraction form
    71,451/155,598 = 155,598/x
  3. Step 3: Cross multiply
    71,451x = 155,598 × 155,598
  4. Step 4: Simplify right side
    71,451x = 24,210,737,604
  5. Step 5: Solve for x
    x = 24,210,737,604/71,451
  6. Step 6: Final answer
    x = 338,843.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.