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Finding the Third Proportional to 115,471 and 248,131

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Solution

The third proportional to 115,471 and 248,131 is: 533,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,471 : 248,131 = 248,131 : x
  2. Step 2: Convert to fraction form
    115,471/248,131 = 248,131/x
  3. Step 3: Cross multiply
    115,471x = 248,131 × 248,131
  4. Step 4: Simplify right side
    115,471x = 61,568,993,161
  5. Step 5: Solve for x
    x = 61,568,993,161/115,471
  6. Step 6: Final answer
    x = 533,198.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.