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Finding the Third Proportional to 223,131 and 339,930

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Solution

The third proportional to 223,131 and 339,930 is: 517,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,131 : 339,930 = 339,930 : x
  2. Step 2: Convert to fraction form
    223,131/339,930 = 339,930/x
  3. Step 3: Cross multiply
    223,131x = 339,930 × 339,930
  4. Step 4: Simplify right side
    223,131x = 115,552,404,900
  5. Step 5: Solve for x
    x = 115,552,404,900/223,131
  6. Step 6: Final answer
    x = 517,868.00

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.