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Finding the Third Proportional to 11,408 and 14,568

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Solution

The third proportional to 11,408 and 14,568 is: 18,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408 : 14,568 = 14,568 : x
  2. Step 2: Convert to fraction form
    11,408/14,568 = 14,568/x
  3. Step 3: Cross multiply
    11,408x = 14,568 × 14,568
  4. Step 4: Simplify right side
    11,408x = 212,226,624
  5. Step 5: Solve for x
    x = 212,226,624/11,408
  6. Step 6: Final answer
    x = 18,603.32

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.