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Finding the Third Proportional to 143,772 and 225,081

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Solution

The third proportional to 143,772 and 225,081 is: 352,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,772 : 225,081 = 225,081 : x
  2. Step 2: Convert to fraction form
    143,772/225,081 = 225,081/x
  3. Step 3: Cross multiply
    143,772x = 225,081 × 225,081
  4. Step 4: Simplify right side
    143,772x = 50,661,456,561
  5. Step 5: Solve for x
    x = 50,661,456,561/143,772
  6. Step 6: Final answer
    x = 352,373.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.