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Finding the Third Proportional to 154,129.50 and 241,845.75

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Solution

The third proportional to 154,129.50 and 241,845.75 is: 379,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,129.50 : 241,845.75 = 241,845.75 : x
  2. Step 2: Convert to fraction form
    154,129.50/241,845.75 = 241,845.75/x
  3. Step 3: Cross multiply
    154,129.50x = 241,845.75 × 241,845.75
  4. Step 4: Simplify right side
    154,129.50x = 58,489,366,793.06
  5. Step 5: Solve for x
    x = 58,489,366,793.06/154,129.50
  6. Step 6: Final answer
    x = 379,481.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.