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Finding the Third Proportional to 175,758 and 272,376

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Solution

The third proportional to 175,758 and 272,376 is: 422,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,758 : 272,376 = 272,376 : x
  2. Step 2: Convert to fraction form
    175,758/272,376 = 272,376/x
  3. Step 3: Cross multiply
    175,758x = 272,376 × 272,376
  4. Step 4: Simplify right side
    175,758x = 74,188,685,376
  5. Step 5: Solve for x
    x = 74,188,685,376/175,758
  6. Step 6: Final answer
    x = 422,107.02

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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.