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Finding the Third Proportional to 10,892 and 15,917

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Solution

The third proportional to 10,892 and 15,917 is: 23,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892 : 15,917 = 15,917 : x
  2. Step 2: Convert to fraction form
    10,892/15,917 = 15,917/x
  3. Step 3: Cross multiply
    10,892x = 15,917 × 15,917
  4. Step 4: Simplify right side
    10,892x = 253,350,889
  5. Step 5: Solve for x
    x = 253,350,889/10,892
  6. Step 6: Final answer
    x = 23,260.27

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.