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Finding the Third Proportional to 16,608 and 36,480

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Solution

The third proportional to 16,608 and 36,480 is: 80,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608 : 36,480 = 36,480 : x
  2. Step 2: Convert to fraction form
    16,608/36,480 = 36,480/x
  3. Step 3: Cross multiply
    16,608x = 36,480 × 36,480
  4. Step 4: Simplify right side
    16,608x = 1,330,790,400
  5. Step 5: Solve for x
    x = 1,330,790,400/16,608
  6. Step 6: Final answer
    x = 80,129.48

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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.