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Finding the Third Proportional to 885 and 1,401

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Solution

The third proportional to 885 and 1,401 is: 2,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885 : 1,401 = 1,401 : x
  2. Step 2: Convert to fraction form
    885/1,401 = 1,401/x
  3. Step 3: Cross multiply
    885x = 1,401 × 1,401
  4. Step 4: Simplify right side
    885x = 1,962,801
  5. Step 5: Solve for x
    x = 1,962,801/885
  6. Step 6: Final answer
    x = 2,217.85

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.