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Finding the Third Proportional to 133,874 and 278,846

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Solution

The third proportional to 133,874 and 278,846 is: 580,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,874 : 278,846 = 278,846 : x
  2. Step 2: Convert to fraction form
    133,874/278,846 = 278,846/x
  3. Step 3: Cross multiply
    133,874x = 278,846 × 278,846
  4. Step 4: Simplify right side
    133,874x = 77,755,091,716
  5. Step 5: Solve for x
    x = 77,755,091,716/133,874
  6. Step 6: Final answer
    x = 580,808.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.