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Finding the Third Proportional to 6,720.50 and 10,675

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Solution

The third proportional to 6,720.50 and 10,675 is: 16,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.50 : 10,675 = 10,675 : x
  2. Step 2: Convert to fraction form
    6,720.50/10,675 = 10,675/x
  3. Step 3: Cross multiply
    6,720.50x = 10,675 × 10,675
  4. Step 4: Simplify right side
    6,720.50x = 113,955,625
  5. Step 5: Solve for x
    x = 113,955,625/6,720.50
  6. Step 6: Final answer
    x = 16,956.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.