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Finding the Third Proportional to 174,204 and 381,609

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Solution

The third proportional to 174,204 and 381,609 is: 835,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,204 : 381,609 = 381,609 : x
  2. Step 2: Convert to fraction form
    174,204/381,609 = 381,609/x
  3. Step 3: Cross multiply
    174,204x = 381,609 × 381,609
  4. Step 4: Simplify right side
    174,204x = 145,625,428,881
  5. Step 5: Solve for x
    x = 145,625,428,881/174,204
  6. Step 6: Final answer
    x = 835,947.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.