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Finding the Third Proportional to 15,791 and 24,815

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Solution

The third proportional to 15,791 and 24,815 is: 38,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791 : 24,815 = 24,815 : x
  2. Step 2: Convert to fraction form
    15,791/24,815 = 24,815/x
  3. Step 3: Cross multiply
    15,791x = 24,815 × 24,815
  4. Step 4: Simplify right side
    15,791x = 615,784,225
  5. Step 5: Solve for x
    x = 615,784,225/15,791
  6. Step 6: Final answer
    x = 38,995.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.