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Finding the Third Proportional to 157,152 and 339,198

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Solution

The third proportional to 157,152 and 339,198 is: 732,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,152 : 339,198 = 339,198 : x
  2. Step 2: Convert to fraction form
    157,152/339,198 = 339,198/x
  3. Step 3: Cross multiply
    157,152x = 339,198 × 339,198
  4. Step 4: Simplify right side
    157,152x = 115,055,283,204
  5. Step 5: Solve for x
    x = 115,055,283,204/157,152
  6. Step 6: Final answer
    x = 732,127.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.