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Finding the Third Proportional to 2,544 and 3,909

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Solution

The third proportional to 2,544 and 3,909 is: 6,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544 : 3,909 = 3,909 : x
  2. Step 2: Convert to fraction form
    2,544/3,909 = 3,909/x
  3. Step 3: Cross multiply
    2,544x = 3,909 × 3,909
  4. Step 4: Simplify right side
    2,544x = 15,280,281
  5. Step 5: Solve for x
    x = 15,280,281/2,544
  6. Step 6: Final answer
    x = 6,006.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.