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Finding the Third Proportional to 3,299 and 6,679

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Solution

The third proportional to 3,299 and 6,679 is: 13,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299 : 6,679 = 6,679 : x
  2. Step 2: Convert to fraction form
    3,299/6,679 = 6,679/x
  3. Step 3: Cross multiply
    3,299x = 6,679 × 6,679
  4. Step 4: Simplify right side
    3,299x = 44,609,041
  5. Step 5: Solve for x
    x = 44,609,041/3,299
  6. Step 6: Final answer
    x = 13,521.99

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.