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Finding the Third Proportional to 20,868 and 45,092

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Solution

The third proportional to 20,868 and 45,092 is: 97,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868 : 45,092 = 45,092 : x
  2. Step 2: Convert to fraction form
    20,868/45,092 = 45,092/x
  3. Step 3: Cross multiply
    20,868x = 45,092 × 45,092
  4. Step 4: Simplify right side
    20,868x = 2,033,288,464
  5. Step 5: Solve for x
    x = 2,033,288,464/20,868
  6. Step 6: Final answer
    x = 97,435.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.