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Finding the Third Proportional to 1,586 and 3,843

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Solution

The third proportional to 1,586 and 3,843 is: 9,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586 : 3,843 = 3,843 : x
  2. Step 2: Convert to fraction form
    1,586/3,843 = 3,843/x
  3. Step 3: Cross multiply
    1,586x = 3,843 × 3,843
  4. Step 4: Simplify right side
    1,586x = 14,768,649
  5. Step 5: Solve for x
    x = 14,768,649/1,586
  6. Step 6: Final answer
    x = 9,311.88

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.