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Finding the Third Proportional to 330,992 and 496,380

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Solution

The third proportional to 330,992 and 496,380 is: 744,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,992 : 496,380 = 496,380 : x
  2. Step 2: Convert to fraction form
    330,992/496,380 = 496,380/x
  3. Step 3: Cross multiply
    330,992x = 496,380 × 496,380
  4. Step 4: Simplify right side
    330,992x = 246,393,104,400
  5. Step 5: Solve for x
    x = 246,393,104,400/330,992
  6. Step 6: Final answer
    x = 744,408.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.