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Finding the Third Proportional to 20,242 and 43,940

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Solution

The third proportional to 20,242 and 43,940 is: 95,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242 : 43,940 = 43,940 : x
  2. Step 2: Convert to fraction form
    20,242/43,940 = 43,940/x
  3. Step 3: Cross multiply
    20,242x = 43,940 × 43,940
  4. Step 4: Simplify right side
    20,242x = 1,930,723,600
  5. Step 5: Solve for x
    x = 1,930,723,600/20,242
  6. Step 6: Final answer
    x = 95,382.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.