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Finding the Third Proportional to 5,124.38 and 11,278.13

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Solution

The third proportional to 5,124.38 and 11,278.13 is: 24,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.38 : 11,278.13 = 11,278.13 : x
  2. Step 2: Convert to fraction form
    5,124.38/11,278.13 = 11,278.13/x
  3. Step 3: Cross multiply
    5,124.38x = 11,278.13 × 11,278.13
  4. Step 4: Simplify right side
    5,124.38x = 127,196,103.52
  5. Step 5: Solve for x
    x = 127,196,103.52/5,124.38
  6. Step 6: Final answer
    x = 24,821.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.