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Finding the Third Proportional to 175,874 and 272,734

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Solution

The third proportional to 175,874 and 272,734 is: 422,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,874 : 272,734 = 272,734 : x
  2. Step 2: Convert to fraction form
    175,874/272,734 = 272,734/x
  3. Step 3: Cross multiply
    175,874x = 272,734 × 272,734
  4. Step 4: Simplify right side
    175,874x = 74,383,834,756
  5. Step 5: Solve for x
    x = 74,383,834,756/175,874
  6. Step 6: Final answer
    x = 422,938.21

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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.