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Finding the Third Proportional to 1,993 and 3,701

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Solution

The third proportional to 1,993 and 3,701 is: 6,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993 : 3,701 = 3,701 : x
  2. Step 2: Convert to fraction form
    1,993/3,701 = 3,701/x
  3. Step 3: Cross multiply
    1,993x = 3,701 × 3,701
  4. Step 4: Simplify right side
    1,993x = 13,697,401
  5. Step 5: Solve for x
    x = 13,697,401/1,993
  6. Step 6: Final answer
    x = 6,872.76

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.