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Finding the Third Proportional to 1,860 and 2,734

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Solution

The third proportional to 1,860 and 2,734 is: 4,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860 : 2,734 = 2,734 : x
  2. Step 2: Convert to fraction form
    1,860/2,734 = 2,734/x
  3. Step 3: Cross multiply
    1,860x = 2,734 × 2,734
  4. Step 4: Simplify right side
    1,860x = 7,474,756
  5. Step 5: Solve for x
    x = 7,474,756/1,860
  6. Step 6: Final answer
    x = 4,018.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.