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Finding the Third Proportional to 18,663.75 and 24,624

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Solution

The third proportional to 18,663.75 and 24,624 is: 32,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.75 : 24,624 = 24,624 : x
  2. Step 2: Convert to fraction form
    18,663.75/24,624 = 24,624/x
  3. Step 3: Cross multiply
    18,663.75x = 24,624 × 24,624
  4. Step 4: Simplify right side
    18,663.75x = 606,341,376
  5. Step 5: Solve for x
    x = 606,341,376/18,663.75
  6. Step 6: Final answer
    x = 32,487.65

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.