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Finding the Third Proportional to 153,108 and 225,286

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Solution

The third proportional to 153,108 and 225,286 is: 331,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108 : 225,286 = 225,286 : x
  2. Step 2: Convert to fraction form
    153,108/225,286 = 225,286/x
  3. Step 3: Cross multiply
    153,108x = 225,286 × 225,286
  4. Step 4: Simplify right side
    153,108x = 50,753,781,796
  5. Step 5: Solve for x
    x = 50,753,781,796/153,108
  6. Step 6: Final answer
    x = 331,490.07

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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.