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Finding the Third Proportional to 662 and 1,401

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Solution

The third proportional to 662 and 1,401 is: 2,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662 : 1,401 = 1,401 : x
  2. Step 2: Convert to fraction form
    662/1,401 = 1,401/x
  3. Step 3: Cross multiply
    662x = 1,401 × 1,401
  4. Step 4: Simplify right side
    662x = 1,962,801
  5. Step 5: Solve for x
    x = 1,962,801/662
  6. Step 6: Final answer
    x = 2,964.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.