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Finding the Third Proportional to 299,439 and 449,158.50

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Solution

The third proportional to 299,439 and 449,158.50 is: 673,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,439 : 449,158.50 = 449,158.50 : x
  2. Step 2: Convert to fraction form
    299,439/449,158.50 = 449,158.50/x
  3. Step 3: Cross multiply
    299,439x = 449,158.50 × 449,158.50
  4. Step 4: Simplify right side
    299,439x = 201,743,358,122.25
  5. Step 5: Solve for x
    x = 201,743,358,122.25/299,439
  6. Step 6: Final answer
    x = 673,737.75

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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.