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Finding the Third Proportional to 18,180 and 28,404

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Solution

The third proportional to 18,180 and 28,404 is: 44,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180 : 28,404 = 28,404 : x
  2. Step 2: Convert to fraction form
    18,180/28,404 = 28,404/x
  3. Step 3: Cross multiply
    18,180x = 28,404 × 28,404
  4. Step 4: Simplify right side
    18,180x = 806,787,216
  5. Step 5: Solve for x
    x = 806,787,216/18,180
  6. Step 6: Final answer
    x = 44,377.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.