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Finding the Third Proportional to 145,469 and 225,771

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Solution

The third proportional to 145,469 and 225,771 is: 350,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,469 : 225,771 = 225,771 : x
  2. Step 2: Convert to fraction form
    145,469/225,771 = 225,771/x
  3. Step 3: Cross multiply
    145,469x = 225,771 × 225,771
  4. Step 4: Simplify right side
    145,469x = 50,972,544,441
  5. Step 5: Solve for x
    x = 50,972,544,441/145,469
  6. Step 6: Final answer
    x = 350,401.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.