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Finding the Third Proportional to 40,979 and 61,845

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Solution

The third proportional to 40,979 and 61,845 is: 93,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979 : 61,845 = 61,845 : x
  2. Step 2: Convert to fraction form
    40,979/61,845 = 61,845/x
  3. Step 3: Cross multiply
    40,979x = 61,845 × 61,845
  4. Step 4: Simplify right side
    40,979x = 3,824,804,025
  5. Step 5: Solve for x
    x = 3,824,804,025/40,979
  6. Step 6: Final answer
    x = 93,335.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.