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Finding the Third Proportional to 2,256 and 3,426

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Solution

The third proportional to 2,256 and 3,426 is: 5,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256 : 3,426 = 3,426 : x
  2. Step 2: Convert to fraction form
    2,256/3,426 = 3,426/x
  3. Step 3: Cross multiply
    2,256x = 3,426 × 3,426
  4. Step 4: Simplify right side
    2,256x = 11,737,476
  5. Step 5: Solve for x
    x = 11,737,476/2,256
  6. Step 6: Final answer
    x = 5,202.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.