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Finding the Third Proportional to 18,318 and 24,884

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Solution

The third proportional to 18,318 and 24,884 is: 33,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318 : 24,884 = 24,884 : x
  2. Step 2: Convert to fraction form
    18,318/24,884 = 24,884/x
  3. Step 3: Cross multiply
    18,318x = 24,884 × 24,884
  4. Step 4: Simplify right side
    18,318x = 619,213,456
  5. Step 5: Solve for x
    x = 619,213,456/18,318
  6. Step 6: Final answer
    x = 33,803.55

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.