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Finding the Third Proportional to 6,622 and 8,026

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Solution

The third proportional to 6,622 and 8,026 is: 9,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622 : 8,026 = 8,026 : x
  2. Step 2: Convert to fraction form
    6,622/8,026 = 8,026/x
  3. Step 3: Cross multiply
    6,622x = 8,026 × 8,026
  4. Step 4: Simplify right side
    6,622x = 64,416,676
  5. Step 5: Solve for x
    x = 64,416,676/6,622
  6. Step 6: Final answer
    x = 9,727.68

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.