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Finding the Third Proportional to 3,965 and 5,959

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Solution

The third proportional to 3,965 and 5,959 is: 8,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965 : 5,959 = 5,959 : x
  2. Step 2: Convert to fraction form
    3,965/5,959 = 5,959/x
  3. Step 3: Cross multiply
    3,965x = 5,959 × 5,959
  4. Step 4: Simplify right side
    3,965x = 35,509,681
  5. Step 5: Solve for x
    x = 35,509,681/3,965
  6. Step 6: Final answer
    x = 8,955.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.