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Finding the Third Proportional to 20,057 and 40,600

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Solution

The third proportional to 20,057 and 40,600 is: 82,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057 : 40,600 = 40,600 : x
  2. Step 2: Convert to fraction form
    20,057/40,600 = 40,600/x
  3. Step 3: Cross multiply
    20,057x = 40,600 × 40,600
  4. Step 4: Simplify right side
    20,057x = 1,648,360,000
  5. Step 5: Solve for x
    x = 1,648,360,000/20,057
  6. Step 6: Final answer
    x = 82,183.78

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.