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Finding the Third Proportional to 2,381 and 3,739

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Solution

The third proportional to 2,381 and 3,739 is: 5,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381 : 3,739 = 3,739 : x
  2. Step 2: Convert to fraction form
    2,381/3,739 = 3,739/x
  3. Step 3: Cross multiply
    2,381x = 3,739 × 3,739
  4. Step 4: Simplify right side
    2,381x = 13,980,121
  5. Step 5: Solve for x
    x = 13,980,121/2,381
  6. Step 6: Final answer
    x = 5,871.53

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.