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Finding the Third Proportional to 300,558 and 450,081

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Solution

The third proportional to 300,558 and 450,081 is: 673,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,558 : 450,081 = 450,081 : x
  2. Step 2: Convert to fraction form
    300,558/450,081 = 450,081/x
  3. Step 3: Cross multiply
    300,558x = 450,081 × 450,081
  4. Step 4: Simplify right side
    300,558x = 202,572,906,561
  5. Step 5: Solve for x
    x = 202,572,906,561/300,558
  6. Step 6: Final answer
    x = 673,989.40

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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.