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Finding the Third Proportional to 13,438 and 18,027

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Solution

The third proportional to 13,438 and 18,027 is: 24,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438 : 18,027 = 18,027 : x
  2. Step 2: Convert to fraction form
    13,438/18,027 = 18,027/x
  3. Step 3: Cross multiply
    13,438x = 18,027 × 18,027
  4. Step 4: Simplify right side
    13,438x = 324,972,729
  5. Step 5: Solve for x
    x = 324,972,729/13,438
  6. Step 6: Final answer
    x = 24,183.12

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.