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Finding the Third Proportional to 3,266 and 3,578

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Solution

The third proportional to 3,266 and 3,578 is: 3,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266 : 3,578 = 3,578 : x
  2. Step 2: Convert to fraction form
    3,266/3,578 = 3,578/x
  3. Step 3: Cross multiply
    3,266x = 3,578 × 3,578
  4. Step 4: Simplify right side
    3,266x = 12,802,084
  5. Step 5: Solve for x
    x = 12,802,084/3,266
  6. Step 6: Final answer
    x = 3,919.81

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.