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Finding the Third Proportional to 111,163 and 239,822

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Solution

The third proportional to 111,163 and 239,822 is: 517,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,163 : 239,822 = 239,822 : x
  2. Step 2: Convert to fraction form
    111,163/239,822 = 239,822/x
  3. Step 3: Cross multiply
    111,163x = 239,822 × 239,822
  4. Step 4: Simplify right side
    111,163x = 57,514,591,684
  5. Step 5: Solve for x
    x = 57,514,591,684/111,163
  6. Step 6: Final answer
    x = 517,389.70

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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.