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Finding the Third Proportional to 152,966 and 331,353

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Solution

The third proportional to 152,966 and 331,353 is: 717,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,966 : 331,353 = 331,353 : x
  2. Step 2: Convert to fraction form
    152,966/331,353 = 331,353/x
  3. Step 3: Cross multiply
    152,966x = 331,353 × 331,353
  4. Step 4: Simplify right side
    152,966x = 109,794,810,609
  5. Step 5: Solve for x
    x = 109,794,810,609/152,966
  6. Step 6: Final answer
    x = 717,772.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.