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Finding the Third Proportional to 3,154 and 3,857

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Solution

The third proportional to 3,154 and 3,857 is: 4,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154 : 3,857 = 3,857 : x
  2. Step 2: Convert to fraction form
    3,154/3,857 = 3,857/x
  3. Step 3: Cross multiply
    3,154x = 3,857 × 3,857
  4. Step 4: Simplify right side
    3,154x = 14,876,449
  5. Step 5: Solve for x
    x = 14,876,449/3,154
  6. Step 6: Final answer
    x = 4,716.69

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.