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Finding the Third Proportional to 244,667 and 378,134

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Solution

The third proportional to 244,667 and 378,134 is: 584,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,667 : 378,134 = 378,134 : x
  2. Step 2: Convert to fraction form
    244,667/378,134 = 378,134/x
  3. Step 3: Cross multiply
    244,667x = 378,134 × 378,134
  4. Step 4: Simplify right side
    244,667x = 142,985,321,956
  5. Step 5: Solve for x
    x = 142,985,321,956/244,667
  6. Step 6: Final answer
    x = 584,407.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.