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Finding the Third Proportional to 1,806 and 2,698

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Solution

The third proportional to 1,806 and 2,698 is: 4,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806 : 2,698 = 2,698 : x
  2. Step 2: Convert to fraction form
    1,806/2,698 = 2,698/x
  3. Step 3: Cross multiply
    1,806x = 2,698 × 2,698
  4. Step 4: Simplify right side
    1,806x = 7,279,204
  5. Step 5: Solve for x
    x = 7,279,204/1,806
  6. Step 6: Final answer
    x = 4,030.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.