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Finding the Third Proportional to 9,861.75 and 15,022.13

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Solution

The third proportional to 9,861.75 and 15,022.13 is: 22,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.75 : 15,022.13 = 15,022.13 : x
  2. Step 2: Convert to fraction form
    9,861.75/15,022.13 = 15,022.13/x
  3. Step 3: Cross multiply
    9,861.75x = 15,022.13 × 15,022.13
  4. Step 4: Simplify right side
    9,861.75x = 225,664,239.52
  5. Step 5: Solve for x
    x = 225,664,239.52/9,861.75
  6. Step 6: Final answer
    x = 22,882.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.