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Finding the Third Proportional to 3,820 and 6,134

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Solution

The third proportional to 3,820 and 6,134 is: 9,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820 : 6,134 = 6,134 : x
  2. Step 2: Convert to fraction form
    3,820/6,134 = 6,134/x
  3. Step 3: Cross multiply
    3,820x = 6,134 × 6,134
  4. Step 4: Simplify right side
    3,820x = 37,625,956
  5. Step 5: Solve for x
    x = 37,625,956/3,820
  6. Step 6: Final answer
    x = 9,849.73

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.