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Finding the Third Proportional to 16,640 and 36,628

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Solution

The third proportional to 16,640 and 36,628 is: 80,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640 : 36,628 = 36,628 : x
  2. Step 2: Convert to fraction form
    16,640/36,628 = 36,628/x
  3. Step 3: Cross multiply
    16,640x = 36,628 × 36,628
  4. Step 4: Simplify right side
    16,640x = 1,341,610,384
  5. Step 5: Solve for x
    x = 1,341,610,384/16,640
  6. Step 6: Final answer
    x = 80,625.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.