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Finding the Third Proportional to 1,799 and 2,163.50

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Solution

The third proportional to 1,799 and 2,163.50 is: 2,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799 : 2,163.50 = 2,163.50 : x
  2. Step 2: Convert to fraction form
    1,799/2,163.50 = 2,163.50/x
  3. Step 3: Cross multiply
    1,799x = 2,163.50 × 2,163.50
  4. Step 4: Simplify right side
    1,799x = 4,680,732.25
  5. Step 5: Solve for x
    x = 4,680,732.25/1,799
  6. Step 6: Final answer
    x = 2,601.85

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.