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Finding the Third Proportional to 146,928 and 218,231.25

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Solution

The third proportional to 146,928 and 218,231.25 is: 324,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,928 : 218,231.25 = 218,231.25 : x
  2. Step 2: Convert to fraction form
    146,928/218,231.25 = 218,231.25/x
  3. Step 3: Cross multiply
    146,928x = 218,231.25 × 218,231.25
  4. Step 4: Simplify right side
    146,928x = 47,624,878,476.56
  5. Step 5: Solve for x
    x = 47,624,878,476.56/146,928
  6. Step 6: Final answer
    x = 324,137.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.