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Finding the Third Proportional to 3,791 and 5,819

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Solution

The third proportional to 3,791 and 5,819 is: 8,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791 : 5,819 = 5,819 : x
  2. Step 2: Convert to fraction form
    3,791/5,819 = 5,819/x
  3. Step 3: Cross multiply
    3,791x = 5,819 × 5,819
  4. Step 4: Simplify right side
    3,791x = 33,860,761
  5. Step 5: Solve for x
    x = 33,860,761/3,791
  6. Step 6: Final answer
    x = 8,931.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.