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Finding the Third Proportional to 3,135 and 3,399

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Solution

The third proportional to 3,135 and 3,399 is: 3,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135 : 3,399 = 3,399 : x
  2. Step 2: Convert to fraction form
    3,135/3,399 = 3,399/x
  3. Step 3: Cross multiply
    3,135x = 3,399 × 3,399
  4. Step 4: Simplify right side
    3,135x = 11,553,201
  5. Step 5: Solve for x
    x = 11,553,201/3,135
  6. Step 6: Final answer
    x = 3,685.23

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.