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Finding the Third Proportional to 47,438 and 101,910.75

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Solution

The third proportional to 47,438 and 101,910.75 is: 218,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438 : 101,910.75 = 101,910.75 : x
  2. Step 2: Convert to fraction form
    47,438/101,910.75 = 101,910.75/x
  3. Step 3: Cross multiply
    47,438x = 101,910.75 × 101,910.75
  4. Step 4: Simplify right side
    47,438x = 10,385,800,965.56
  5. Step 5: Solve for x
    x = 10,385,800,965.56/47,438
  6. Step 6: Final answer
    x = 218,934.21

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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.