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Finding the Third Proportional to 3,880 and 5,836

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Solution

The third proportional to 3,880 and 5,836 is: 8,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880 : 5,836 = 5,836 : x
  2. Step 2: Convert to fraction form
    3,880/5,836 = 5,836/x
  3. Step 3: Cross multiply
    3,880x = 5,836 × 5,836
  4. Step 4: Simplify right side
    3,880x = 34,058,896
  5. Step 5: Solve for x
    x = 34,058,896/3,880
  6. Step 6: Final answer
    x = 8,778.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.