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Finding the Third Proportional to 150,425 and 330,370

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Solution

The third proportional to 150,425 and 330,370 is: 725,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,425 : 330,370 = 330,370 : x
  2. Step 2: Convert to fraction form
    150,425/330,370 = 330,370/x
  3. Step 3: Cross multiply
    150,425x = 330,370 × 330,370
  4. Step 4: Simplify right side
    150,425x = 109,144,336,900
  5. Step 5: Solve for x
    x = 109,144,336,900/150,425
  6. Step 6: Final answer
    x = 725,573.12

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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.