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Finding the Third Proportional to 197,087.50 and 408,174.50

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Solution

The third proportional to 197,087.50 and 408,174.50 is: 845,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,087.50 : 408,174.50 = 408,174.50 : x
  2. Step 2: Convert to fraction form
    197,087.50/408,174.50 = 408,174.50/x
  3. Step 3: Cross multiply
    197,087.50x = 408,174.50 × 408,174.50
  4. Step 4: Simplify right side
    197,087.50x = 166,606,422,450.25
  5. Step 5: Solve for x
    x = 166,606,422,450.25/197,087.50
  6. Step 6: Final answer
    x = 845,342.41

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.