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Finding the Third Proportional to 249.50 and 674

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Solution

The third proportional to 249.50 and 674 is: 1,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.50 : 674 = 674 : x
  2. Step 2: Convert to fraction form
    249.50/674 = 674/x
  3. Step 3: Cross multiply
    249.50x = 674 × 674
  4. Step 4: Simplify right side
    249.50x = 454,276
  5. Step 5: Solve for x
    x = 454,276/249.50
  6. Step 6: Final answer
    x = 1,820.75

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.