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Finding the Third Proportional to 2,892 and 4,079

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Solution

The third proportional to 2,892 and 4,079 is: 5,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892 : 4,079 = 4,079 : x
  2. Step 2: Convert to fraction form
    2,892/4,079 = 4,079/x
  3. Step 3: Cross multiply
    2,892x = 4,079 × 4,079
  4. Step 4: Simplify right side
    2,892x = 16,638,241
  5. Step 5: Solve for x
    x = 16,638,241/2,892
  6. Step 6: Final answer
    x = 5,753.20

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.