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Finding the Third Proportional to 159,936.75 and 339,553.50

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Solution

The third proportional to 159,936.75 and 339,553.50 is: 720,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936.75 : 339,553.50 = 339,553.50 : x
  2. Step 2: Convert to fraction form
    159,936.75/339,553.50 = 339,553.50/x
  3. Step 3: Cross multiply
    159,936.75x = 339,553.50 × 339,553.50
  4. Step 4: Simplify right side
    159,936.75x = 115,296,579,362.25
  5. Step 5: Solve for x
    x = 115,296,579,362.25/159,936.75
  6. Step 6: Final answer
    x = 720,888.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.