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Finding the Third Proportional to 276,841 and 427,067

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Solution

The third proportional to 276,841 and 427,067 is: 658,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,841 : 427,067 = 427,067 : x
  2. Step 2: Convert to fraction form
    276,841/427,067 = 427,067/x
  3. Step 3: Cross multiply
    276,841x = 427,067 × 427,067
  4. Step 4: Simplify right side
    276,841x = 182,386,222,489
  5. Step 5: Solve for x
    x = 182,386,222,489/276,841
  6. Step 6: Final answer
    x = 658,812.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.