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Finding the Third Proportional to 3,079.50 and 6,775

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Solution

The third proportional to 3,079.50 and 6,775 is: 14,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.50 : 6,775 = 6,775 : x
  2. Step 2: Convert to fraction form
    3,079.50/6,775 = 6,775/x
  3. Step 3: Cross multiply
    3,079.50x = 6,775 × 6,775
  4. Step 4: Simplify right side
    3,079.50x = 45,900,625
  5. Step 5: Solve for x
    x = 45,900,625/3,079.50
  6. Step 6: Final answer
    x = 14,905.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.