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Finding the Third Proportional to 1,401 and 1,957

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Solution

The third proportional to 1,401 and 1,957 is: 2,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401 : 1,957 = 1,957 : x
  2. Step 2: Convert to fraction form
    1,401/1,957 = 1,957/x
  3. Step 3: Cross multiply
    1,401x = 1,957 × 1,957
  4. Step 4: Simplify right side
    1,401x = 3,829,849
  5. Step 5: Solve for x
    x = 3,829,849/1,401
  6. Step 6: Final answer
    x = 2,733.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.