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Finding the Third Proportional to 152,131 and 339,242

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Solution

The third proportional to 152,131 and 339,242 is: 756,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,131 : 339,242 = 339,242 : x
  2. Step 2: Convert to fraction form
    152,131/339,242 = 339,242/x
  3. Step 3: Cross multiply
    152,131x = 339,242 × 339,242
  4. Step 4: Simplify right side
    152,131x = 115,085,134,564
  5. Step 5: Solve for x
    x = 115,085,134,564/152,131
  6. Step 6: Final answer
    x = 756,487.07

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.