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Finding the Third Proportional to 33,432 and 69,666

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Solution

The third proportional to 33,432 and 69,666 is: 145,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,432 : 69,666 = 69,666 : x
  2. Step 2: Convert to fraction form
    33,432/69,666 = 69,666/x
  3. Step 3: Cross multiply
    33,432x = 69,666 × 69,666
  4. Step 4: Simplify right side
    33,432x = 4,853,351,556
  5. Step 5: Solve for x
    x = 4,853,351,556/33,432
  6. Step 6: Final answer
    x = 145,170.84

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.