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Finding the Third Proportional to 3,855 and 5,967

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Solution

The third proportional to 3,855 and 5,967 is: 9,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855 : 5,967 = 5,967 : x
  2. Step 2: Convert to fraction form
    3,855/5,967 = 5,967/x
  3. Step 3: Cross multiply
    3,855x = 5,967 × 5,967
  4. Step 4: Simplify right side
    3,855x = 35,605,089
  5. Step 5: Solve for x
    x = 35,605,089/3,855
  6. Step 6: Final answer
    x = 9,236.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.