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Finding the Third Proportional to 8,328 and 16,656

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Solution

The third proportional to 8,328 and 16,656 is: 33,312

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328 : 16,656 = 16,656 : x
  2. Step 2: Convert to fraction form
    8,328/16,656 = 16,656/x
  3. Step 3: Cross multiply
    8,328x = 16,656 × 16,656
  4. Step 4: Simplify right side
    8,328x = 277,422,336
  5. Step 5: Solve for x
    x = 277,422,336/8,328
  6. Step 6: Final answer
    x = 33,312

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.