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Finding the Third Proportional to 131,366 and 192,389

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Solution

The third proportional to 131,366 and 192,389 is: 281,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,366 : 192,389 = 192,389 : x
  2. Step 2: Convert to fraction form
    131,366/192,389 = 192,389/x
  3. Step 3: Cross multiply
    131,366x = 192,389 × 192,389
  4. Step 4: Simplify right side
    131,366x = 37,013,527,321
  5. Step 5: Solve for x
    x = 37,013,527,321/131,366
  6. Step 6: Final answer
    x = 281,758.81

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.