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Finding the Third Proportional to 372.75 and 814

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Solution

The third proportional to 372.75 and 814 is: 1,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.75 : 814 = 814 : x
  2. Step 2: Convert to fraction form
    372.75/814 = 814/x
  3. Step 3: Cross multiply
    372.75x = 814 × 814
  4. Step 4: Simplify right side
    372.75x = 662,596
  5. Step 5: Solve for x
    x = 662,596/372.75
  6. Step 6: Final answer
    x = 1,777.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.