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Finding the Third Proportional to 6,820 and 14,375

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Solution

The third proportional to 6,820 and 14,375 is: 30,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820 : 14,375 = 14,375 : x
  2. Step 2: Convert to fraction form
    6,820/14,375 = 14,375/x
  3. Step 3: Cross multiply
    6,820x = 14,375 × 14,375
  4. Step 4: Simplify right side
    6,820x = 206,640,625
  5. Step 5: Solve for x
    x = 206,640,625/6,820
  6. Step 6: Final answer
    x = 30,299.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.