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Finding the Third Proportional to 33,239 and 70,474

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Solution

The third proportional to 33,239 and 70,474 is: 149,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239 : 70,474 = 70,474 : x
  2. Step 2: Convert to fraction form
    33,239/70,474 = 70,474/x
  3. Step 3: Cross multiply
    33,239x = 70,474 × 70,474
  4. Step 4: Simplify right side
    33,239x = 4,966,584,676
  5. Step 5: Solve for x
    x = 4,966,584,676/33,239
  6. Step 6: Final answer
    x = 149,420.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.