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Finding the Third Proportional to 3,936 and 9,195

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Solution

The third proportional to 3,936 and 9,195 is: 21,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936 : 9,195 = 9,195 : x
  2. Step 2: Convert to fraction form
    3,936/9,195 = 9,195/x
  3. Step 3: Cross multiply
    3,936x = 9,195 × 9,195
  4. Step 4: Simplify right side
    3,936x = 84,548,025
  5. Step 5: Solve for x
    x = 84,548,025/3,936
  6. Step 6: Final answer
    x = 21,480.70

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.