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Finding the Third Proportional to 41,418 and 65,880

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Solution

The third proportional to 41,418 and 65,880 is: 104,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,418 : 65,880 = 65,880 : x
  2. Step 2: Convert to fraction form
    41,418/65,880 = 65,880/x
  3. Step 3: Cross multiply
    41,418x = 65,880 × 65,880
  4. Step 4: Simplify right side
    41,418x = 4,340,174,400
  5. Step 5: Solve for x
    x = 4,340,174,400/41,418
  6. Step 6: Final answer
    x = 104,789.57

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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.