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Finding the Third Proportional to 153,238.50 and 230,067

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Solution

The third proportional to 153,238.50 and 230,067 is: 345,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,238.50 : 230,067 = 230,067 : x
  2. Step 2: Convert to fraction form
    153,238.50/230,067 = 230,067/x
  3. Step 3: Cross multiply
    153,238.50x = 230,067 × 230,067
  4. Step 4: Simplify right side
    153,238.50x = 52,930,824,489
  5. Step 5: Solve for x
    x = 52,930,824,489/153,238.50
  6. Step 6: Final answer
    x = 345,414.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.