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Finding the Third Proportional to 100,228 and 154,121

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Solution

The third proportional to 100,228 and 154,121 is: 236,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,228 : 154,121 = 154,121 : x
  2. Step 2: Convert to fraction form
    100,228/154,121 = 154,121/x
  3. Step 3: Cross multiply
    100,228x = 154,121 × 154,121
  4. Step 4: Simplify right side
    100,228x = 23,753,282,641
  5. Step 5: Solve for x
    x = 23,753,282,641/100,228
  6. Step 6: Final answer
    x = 236,992.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.