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Finding the Third Proportional to 71,532 and 155,376

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Solution

The third proportional to 71,532 and 155,376 is: 337,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532 : 155,376 = 155,376 : x
  2. Step 2: Convert to fraction form
    71,532/155,376 = 155,376/x
  3. Step 3: Cross multiply
    71,532x = 155,376 × 155,376
  4. Step 4: Simplify right side
    71,532x = 24,141,701,376
  5. Step 5: Solve for x
    x = 24,141,701,376/71,532
  6. Step 6: Final answer
    x = 337,495.13

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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.