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Finding the Third Proportional to 221,007 and 339,900.75

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Solution

The third proportional to 221,007 and 339,900.75 is: 522,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,007 : 339,900.75 = 339,900.75 : x
  2. Step 2: Convert to fraction form
    221,007/339,900.75 = 339,900.75/x
  3. Step 3: Cross multiply
    221,007x = 339,900.75 × 339,900.75
  4. Step 4: Simplify right side
    221,007x = 115,532,519,850.56
  5. Step 5: Solve for x
    x = 115,532,519,850.56/221,007
  6. Step 6: Final answer
    x = 522,755.03

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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.