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Finding the Third Proportional to 40,601 and 63,779

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Solution

The third proportional to 40,601 and 63,779 is: 100,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,601 : 63,779 = 63,779 : x
  2. Step 2: Convert to fraction form
    40,601/63,779 = 63,779/x
  3. Step 3: Cross multiply
    40,601x = 63,779 × 63,779
  4. Step 4: Simplify right side
    40,601x = 4,067,760,841
  5. Step 5: Solve for x
    x = 4,067,760,841/40,601
  6. Step 6: Final answer
    x = 100,188.69

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.