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Finding the Third Proportional to 197,240.75 and 279,093.88

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Solution

The third proportional to 197,240.75 and 279,093.88 is: 394,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,240.75 : 279,093.88 = 279,093.88 : x
  2. Step 2: Convert to fraction form
    197,240.75/279,093.88 = 279,093.88/x
  3. Step 3: Cross multiply
    197,240.75x = 279,093.88 × 279,093.88
  4. Step 4: Simplify right side
    197,240.75x = 77,893,391,062.52
  5. Step 5: Solve for x
    x = 77,893,391,062.52/197,240.75
  6. Step 6: Final answer
    x = 394,915.31

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.