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Finding the Third Proportional to 2,629 and 5,689

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Solution

The third proportional to 2,629 and 5,689 is: 12,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629 : 5,689 = 5,689 : x
  2. Step 2: Convert to fraction form
    2,629/5,689 = 5,689/x
  3. Step 3: Cross multiply
    2,629x = 5,689 × 5,689
  4. Step 4: Simplify right side
    2,629x = 32,364,721
  5. Step 5: Solve for x
    x = 32,364,721/2,629
  6. Step 6: Final answer
    x = 12,310.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.