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Finding the Third Proportional to 159,937.50 and 339,555

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Solution

The third proportional to 159,937.50 and 339,555 is: 720,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,937.50 : 339,555 = 339,555 : x
  2. Step 2: Convert to fraction form
    159,937.50/339,555 = 339,555/x
  3. Step 3: Cross multiply
    159,937.50x = 339,555 × 339,555
  4. Step 4: Simplify right side
    159,937.50x = 115,297,598,025
  5. Step 5: Solve for x
    x = 115,297,598,025/159,937.50
  6. Step 6: Final answer
    x = 720,891.59

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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.