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Finding the Third Proportional to 192,108 and 308,666

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Solution

The third proportional to 192,108 and 308,666 is: 495,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,108 : 308,666 = 308,666 : x
  2. Step 2: Convert to fraction form
    192,108/308,666 = 308,666/x
  3. Step 3: Cross multiply
    192,108x = 308,666 × 308,666
  4. Step 4: Simplify right side
    192,108x = 95,274,699,556
  5. Step 5: Solve for x
    x = 95,274,699,556/192,108
  6. Step 6: Final answer
    x = 495,943.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.