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Finding the Third Proportional to 11,553.75 and 18,367.13

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Solution

The third proportional to 11,553.75 and 18,367.13 is: 29,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.75 : 18,367.13 = 18,367.13 : x
  2. Step 2: Convert to fraction form
    11,553.75/18,367.13 = 18,367.13/x
  3. Step 3: Cross multiply
    11,553.75x = 18,367.13 × 18,367.13
  4. Step 4: Simplify right side
    11,553.75x = 337,351,280.77
  5. Step 5: Solve for x
    x = 337,351,280.77/11,553.75
  6. Step 6: Final answer
    x = 29,198.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.