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Finding the Third Proportional to 2,726 and 3,278

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Solution

The third proportional to 2,726 and 3,278 is: 3,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726 : 3,278 = 3,278 : x
  2. Step 2: Convert to fraction form
    2,726/3,278 = 3,278/x
  3. Step 3: Cross multiply
    2,726x = 3,278 × 3,278
  4. Step 4: Simplify right side
    2,726x = 10,745,284
  5. Step 5: Solve for x
    x = 10,745,284/2,726
  6. Step 6: Final answer
    x = 3,941.78

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.