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Finding the Third Proportional to 71,604 and 155,505

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Solution

The third proportional to 71,604 and 155,505 is: 337,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,604 : 155,505 = 155,505 : x
  2. Step 2: Convert to fraction form
    71,604/155,505 = 155,505/x
  3. Step 3: Cross multiply
    71,604x = 155,505 × 155,505
  4. Step 4: Simplify right side
    71,604x = 24,181,805,025
  5. Step 5: Solve for x
    x = 24,181,805,025/71,604
  6. Step 6: Final answer
    x = 337,715.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.