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Finding the Third Proportional to 5,744 and 12,408

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Solution

The third proportional to 5,744 and 12,408 is: 26,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744 : 12,408 = 12,408 : x
  2. Step 2: Convert to fraction form
    5,744/12,408 = 12,408/x
  3. Step 3: Cross multiply
    5,744x = 12,408 × 12,408
  4. Step 4: Simplify right side
    5,744x = 153,958,464
  5. Step 5: Solve for x
    x = 153,958,464/5,744
  6. Step 6: Final answer
    x = 26,803.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.