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Finding the Third Proportional to 197,558 and 313,833

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Solution

The third proportional to 197,558 and 313,833 is: 498,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,558 : 313,833 = 313,833 : x
  2. Step 2: Convert to fraction form
    197,558/313,833 = 313,833/x
  3. Step 3: Cross multiply
    197,558x = 313,833 × 313,833
  4. Step 4: Simplify right side
    197,558x = 98,491,151,889
  5. Step 5: Solve for x
    x = 98,491,151,889/197,558
  6. Step 6: Final answer
    x = 498,542.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.