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Finding the Third Proportional to 15,330 and 24,699

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Solution

The third proportional to 15,330 and 24,699 is: 39,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330 : 24,699 = 24,699 : x
  2. Step 2: Convert to fraction form
    15,330/24,699 = 24,699/x
  3. Step 3: Cross multiply
    15,330x = 24,699 × 24,699
  4. Step 4: Simplify right side
    15,330x = 610,040,601
  5. Step 5: Solve for x
    x = 610,040,601/15,330
  6. Step 6: Final answer
    x = 39,793.91

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.