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Finding the Third Proportional to 20,110 and 41,861

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Solution

The third proportional to 20,110 and 41,861 is: 87,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110 : 41,861 = 41,861 : x
  2. Step 2: Convert to fraction form
    20,110/41,861 = 41,861/x
  3. Step 3: Cross multiply
    20,110x = 41,861 × 41,861
  4. Step 4: Simplify right side
    20,110x = 1,752,343,321
  5. Step 5: Solve for x
    x = 1,752,343,321/20,110
  6. Step 6: Final answer
    x = 87,137.91

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.