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Finding the Third Proportional to 197,287.13 and 434,790.75

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Solution

The third proportional to 197,287.13 and 434,790.75 is: 958,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,287.13 : 434,790.75 = 434,790.75 : x
  2. Step 2: Convert to fraction form
    197,287.13/434,790.75 = 434,790.75/x
  3. Step 3: Cross multiply
    197,287.13x = 434,790.75 × 434,790.75
  4. Step 4: Simplify right side
    197,287.13x = 189,042,996,285.56
  5. Step 5: Solve for x
    x = 189,042,996,285.56/197,287.13
  6. Step 6: Final answer
    x = 958,212.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.