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Finding the Third Proportional to 3,786 and 6,343

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Solution

The third proportional to 3,786 and 6,343 is: 10,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786 : 6,343 = 6,343 : x
  2. Step 2: Convert to fraction form
    3,786/6,343 = 6,343/x
  3. Step 3: Cross multiply
    3,786x = 6,343 × 6,343
  4. Step 4: Simplify right side
    3,786x = 40,233,649
  5. Step 5: Solve for x
    x = 40,233,649/3,786
  6. Step 6: Final answer
    x = 10,626.95

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.