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Finding the Third Proportional to 11,227.13 and 18,711

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Solution

The third proportional to 11,227.13 and 18,711 is: 31,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.13 : 18,711 = 18,711 : x
  2. Step 2: Convert to fraction form
    11,227.13/18,711 = 18,711/x
  3. Step 3: Cross multiply
    11,227.13x = 18,711 × 18,711
  4. Step 4: Simplify right side
    11,227.13x = 350,101,521
  5. Step 5: Solve for x
    x = 350,101,521/11,227.13
  6. Step 6: Final answer
    x = 31,183.54

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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.