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Finding the Third Proportional to 3,058 and 4,079

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Solution

The third proportional to 3,058 and 4,079 is: 5,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058 : 4,079 = 4,079 : x
  2. Step 2: Convert to fraction form
    3,058/4,079 = 4,079/x
  3. Step 3: Cross multiply
    3,058x = 4,079 × 4,079
  4. Step 4: Simplify right side
    3,058x = 16,638,241
  5. Step 5: Solve for x
    x = 16,638,241/3,058
  6. Step 6: Final answer
    x = 5,440.89

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.