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Finding the Third Proportional to 3,161 and 3,566

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Solution

The third proportional to 3,161 and 3,566 is: 4,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161 : 3,566 = 3,566 : x
  2. Step 2: Convert to fraction form
    3,161/3,566 = 3,566/x
  3. Step 3: Cross multiply
    3,161x = 3,566 × 3,566
  4. Step 4: Simplify right side
    3,161x = 12,716,356
  5. Step 5: Solve for x
    x = 12,716,356/3,161
  6. Step 6: Final answer
    x = 4,022.89

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.