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Finding the Third Proportional to 150,435 and 330,393

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Solution

The third proportional to 150,435 and 330,393 is: 725,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,435 : 330,393 = 330,393 : x
  2. Step 2: Convert to fraction form
    150,435/330,393 = 330,393/x
  3. Step 3: Cross multiply
    150,435x = 330,393 × 330,393
  4. Step 4: Simplify right side
    150,435x = 109,159,534,449
  5. Step 5: Solve for x
    x = 109,159,534,449/150,435
  6. Step 6: Final answer
    x = 725,625.91

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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.