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Finding the Third Proportional to 20,612 and 33,186

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Solution

The third proportional to 20,612 and 33,186 is: 53,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612 : 33,186 = 33,186 : x
  2. Step 2: Convert to fraction form
    20,612/33,186 = 33,186/x
  3. Step 3: Cross multiply
    20,612x = 33,186 × 33,186
  4. Step 4: Simplify right side
    20,612x = 1,101,310,596
  5. Step 5: Solve for x
    x = 1,101,310,596/20,612
  6. Step 6: Final answer
    x = 53,430.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.