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Finding the Third Proportional to 1,826 and 2,759

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Solution

The third proportional to 1,826 and 2,759 is: 4,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826 : 2,759 = 2,759 : x
  2. Step 2: Convert to fraction form
    1,826/2,759 = 2,759/x
  3. Step 3: Cross multiply
    1,826x = 2,759 × 2,759
  4. Step 4: Simplify right side
    1,826x = 7,612,081
  5. Step 5: Solve for x
    x = 7,612,081/1,826
  6. Step 6: Final answer
    x = 4,168.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.