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Finding the Third Proportional to 18,614.75 and 28,360.88

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Solution

The third proportional to 18,614.75 and 28,360.88 is: 43,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.75 : 28,360.88 = 28,360.88 : x
  2. Step 2: Convert to fraction form
    18,614.75/28,360.88 = 28,360.88/x
  3. Step 3: Cross multiply
    18,614.75x = 28,360.88 × 28,360.88
  4. Step 4: Simplify right side
    18,614.75x = 804,339,230.77
  5. Step 5: Solve for x
    x = 804,339,230.77/18,614.75
  6. Step 6: Final answer
    x = 43,209.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.