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Finding the Third Proportional to 20,433.38 and 41,691.94

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Solution

The third proportional to 20,433.38 and 41,691.94 is: 85,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.38 : 41,691.94 = 41,691.94 : x
  2. Step 2: Convert to fraction form
    20,433.38/41,691.94 = 41,691.94/x
  3. Step 3: Cross multiply
    20,433.38x = 41,691.94 × 41,691.94
  4. Step 4: Simplify right side
    20,433.38x = 1,738,217,652.50
  5. Step 5: Solve for x
    x = 1,738,217,652.50/20,433.38
  6. Step 6: Final answer
    x = 85,067.57

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.