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Finding the Third Proportional to 154,305 and 231,822

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Solution

The third proportional to 154,305 and 231,822 is: 348,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,305 : 231,822 = 231,822 : x
  2. Step 2: Convert to fraction form
    154,305/231,822 = 231,822/x
  3. Step 3: Cross multiply
    154,305x = 231,822 × 231,822
  4. Step 4: Simplify right side
    154,305x = 53,741,439,684
  5. Step 5: Solve for x
    x = 53,741,439,684/154,305
  6. Step 6: Final answer
    x = 348,280.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.