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Finding the Third Proportional to 15,331.78 and 25,549.17

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Solution

The third proportional to 15,331.78 and 25,549.17 is: 42,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.78 : 25,549.17 = 25,549.17 : x
  2. Step 2: Convert to fraction form
    15,331.78/25,549.17 = 25,549.17/x
  3. Step 3: Cross multiply
    15,331.78x = 25,549.17 × 25,549.17
  4. Step 4: Simplify right side
    15,331.78x = 652,760,183.50
  5. Step 5: Solve for x
    x = 652,760,183.50/15,331.78
  6. Step 6: Final answer
    x = 42,575.63

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.