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Finding the Third Proportional to 41,421 and 65,876

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Solution

The third proportional to 41,421 and 65,876 is: 104,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,421 : 65,876 = 65,876 : x
  2. Step 2: Convert to fraction form
    41,421/65,876 = 65,876/x
  3. Step 3: Cross multiply
    41,421x = 65,876 × 65,876
  4. Step 4: Simplify right side
    41,421x = 4,339,647,376
  5. Step 5: Solve for x
    x = 4,339,647,376/41,421
  6. Step 6: Final answer
    x = 104,769.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.