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Finding the Third Proportional to 101,285 and 220,793

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Solution

The third proportional to 101,285 and 220,793 is: 481,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,285 : 220,793 = 220,793 : x
  2. Step 2: Convert to fraction form
    101,285/220,793 = 220,793/x
  3. Step 3: Cross multiply
    101,285x = 220,793 × 220,793
  4. Step 4: Simplify right side
    101,285x = 48,749,548,849
  5. Step 5: Solve for x
    x = 48,749,548,849/101,285
  6. Step 6: Final answer
    x = 481,310.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.