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Finding the Third Proportional to 223,119 and 339,907

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Solution

The third proportional to 223,119 and 339,907 is: 517,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,119 : 339,907 = 339,907 : x
  2. Step 2: Convert to fraction form
    223,119/339,907 = 339,907/x
  3. Step 3: Cross multiply
    223,119x = 339,907 × 339,907
  4. Step 4: Simplify right side
    223,119x = 115,536,768,649
  5. Step 5: Solve for x
    x = 115,536,768,649/223,119
  6. Step 6: Final answer
    x = 517,825.77

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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.