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Finding the Third Proportional to 197,366 and 434,100

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Solution

The third proportional to 197,366 and 434,100 is: 954,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,366 : 434,100 = 434,100 : x
  2. Step 2: Convert to fraction form
    197,366/434,100 = 434,100/x
  3. Step 3: Cross multiply
    197,366x = 434,100 × 434,100
  4. Step 4: Simplify right side
    197,366x = 188,442,810,000
  5. Step 5: Solve for x
    x = 188,442,810,000/197,366
  6. Step 6: Final answer
    x = 954,788.62

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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.