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Finding the Third Proportional to 2,379 and 2,724

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Solution

The third proportional to 2,379 and 2,724 is: 3,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379 : 2,724 = 2,724 : x
  2. Step 2: Convert to fraction form
    2,379/2,724 = 2,724/x
  3. Step 3: Cross multiply
    2,379x = 2,724 × 2,724
  4. Step 4: Simplify right side
    2,379x = 7,420,176
  5. Step 5: Solve for x
    x = 7,420,176/2,379
  6. Step 6: Final answer
    x = 3,119.03

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.