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Finding the Third Proportional to 222,219 and 338,796

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Solution

The third proportional to 222,219 and 338,796 is: 516,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,219 : 338,796 = 338,796 : x
  2. Step 2: Convert to fraction form
    222,219/338,796 = 338,796/x
  3. Step 3: Cross multiply
    222,219x = 338,796 × 338,796
  4. Step 4: Simplify right side
    222,219x = 114,782,729,616
  5. Step 5: Solve for x
    x = 114,782,729,616/222,219
  6. Step 6: Final answer
    x = 516,529.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.