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Finding the Third Proportional to 3,853 and 5,820

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Solution

The third proportional to 3,853 and 5,820 is: 8,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853 : 5,820 = 5,820 : x
  2. Step 2: Convert to fraction form
    3,853/5,820 = 5,820/x
  3. Step 3: Cross multiply
    3,853x = 5,820 × 5,820
  4. Step 4: Simplify right side
    3,853x = 33,872,400
  5. Step 5: Solve for x
    x = 33,872,400/3,853
  6. Step 6: Final answer
    x = 8,791.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.