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Finding the Third Proportional to 4,408 and 8,582

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Solution

The third proportional to 4,408 and 8,582 is: 16,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408 : 8,582 = 8,582 : x
  2. Step 2: Convert to fraction form
    4,408/8,582 = 8,582/x
  3. Step 3: Cross multiply
    4,408x = 8,582 × 8,582
  4. Step 4: Simplify right side
    4,408x = 73,650,724
  5. Step 5: Solve for x
    x = 73,650,724/4,408
  6. Step 6: Final answer
    x = 16,708.42

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.