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Finding the Third Proportional to 4,350 and 6,645

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Solution

The third proportional to 4,350 and 6,645 is: 10,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350 : 6,645 = 6,645 : x
  2. Step 2: Convert to fraction form
    4,350/6,645 = 6,645/x
  3. Step 3: Cross multiply
    4,350x = 6,645 × 6,645
  4. Step 4: Simplify right side
    4,350x = 44,156,025
  5. Step 5: Solve for x
    x = 44,156,025/4,350
  6. Step 6: Final answer
    x = 10,150.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.