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Finding the Third Proportional to 20,162 and 47,086

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Solution

The third proportional to 20,162 and 47,086 is: 109,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162 : 47,086 = 47,086 : x
  2. Step 2: Convert to fraction form
    20,162/47,086 = 47,086/x
  3. Step 3: Cross multiply
    20,162x = 47,086 × 47,086
  4. Step 4: Simplify right side
    20,162x = 2,217,091,396
  5. Step 5: Solve for x
    x = 2,217,091,396/20,162
  6. Step 6: Final answer
    x = 109,963.86

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.