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Finding the Third Proportional to 305,454 and 449,027

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Solution

The third proportional to 305,454 and 449,027 is: 660,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,454 : 449,027 = 449,027 : x
  2. Step 2: Convert to fraction form
    305,454/449,027 = 449,027/x
  3. Step 3: Cross multiply
    305,454x = 449,027 × 449,027
  4. Step 4: Simplify right side
    305,454x = 201,625,246,729
  5. Step 5: Solve for x
    x = 201,625,246,729/305,454
  6. Step 6: Final answer
    x = 660,083.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.