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Finding the Third Proportional to 20,530 and 44,218

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Solution

The third proportional to 20,530 and 44,218 is: 95,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530 : 44,218 = 44,218 : x
  2. Step 2: Convert to fraction form
    20,530/44,218 = 44,218/x
  3. Step 3: Cross multiply
    20,530x = 44,218 × 44,218
  4. Step 4: Simplify right side
    20,530x = 1,955,231,524
  5. Step 5: Solve for x
    x = 1,955,231,524/20,530
  6. Step 6: Final answer
    x = 95,237.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.