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Finding the Third Proportional to 4,228 and 8,384

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Solution

The third proportional to 4,228 and 8,384 is: 16,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228 : 8,384 = 8,384 : x
  2. Step 2: Convert to fraction form
    4,228/8,384 = 8,384/x
  3. Step 3: Cross multiply
    4,228x = 8,384 × 8,384
  4. Step 4: Simplify right side
    4,228x = 70,291,456
  5. Step 5: Solve for x
    x = 70,291,456/4,228
  6. Step 6: Final answer
    x = 16,625.23

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.