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Finding the Third Proportional to 299,245 and 449,180.75

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Solution

The third proportional to 299,245 and 449,180.75 is: 674,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,245 : 449,180.75 = 449,180.75 : x
  2. Step 2: Convert to fraction form
    299,245/449,180.75 = 449,180.75/x
  3. Step 3: Cross multiply
    299,245x = 449,180.75 × 449,180.75
  4. Step 4: Simplify right side
    299,245x = 201,763,346,170.56
  5. Step 5: Solve for x
    x = 201,763,346,170.56/299,245
  6. Step 6: Final answer
    x = 674,241.33

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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.