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Finding the Third Proportional to 11,238.75 and 15,049.13

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Solution

The third proportional to 11,238.75 and 15,049.13 is: 20,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.75 : 15,049.13 = 15,049.13 : x
  2. Step 2: Convert to fraction form
    11,238.75/15,049.13 = 15,049.13/x
  3. Step 3: Cross multiply
    11,238.75x = 15,049.13 × 15,049.13
  4. Step 4: Simplify right side
    11,238.75x = 226,476,163.27
  5. Step 5: Solve for x
    x = 226,476,163.27/11,238.75
  6. Step 6: Final answer
    x = 20,151.37

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.