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Finding the Third Proportional to 129,552 and 274,548

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Solution

The third proportional to 129,552 and 274,548 is: 581,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,552 : 274,548 = 274,548 : x
  2. Step 2: Convert to fraction form
    129,552/274,548 = 274,548/x
  3. Step 3: Cross multiply
    129,552x = 274,548 × 274,548
  4. Step 4: Simplify right side
    129,552x = 75,376,604,304
  5. Step 5: Solve for x
    x = 75,376,604,304/129,552
  6. Step 6: Final answer
    x = 581,825.09

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.