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Finding the Third Proportional to 379 and 876

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Solution

The third proportional to 379 and 876 is: 2,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379 : 876 = 876 : x
  2. Step 2: Convert to fraction form
    379/876 = 876/x
  3. Step 3: Cross multiply
    379x = 876 × 876
  4. Step 4: Simplify right side
    379x = 767,376
  5. Step 5: Solve for x
    x = 767,376/379
  6. Step 6: Final answer
    x = 2,024.74

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.