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Finding the Third Proportional to 197,117 and 308,863

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Solution

The third proportional to 197,117 and 308,863 is: 483,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,117 : 308,863 = 308,863 : x
  2. Step 2: Convert to fraction form
    197,117/308,863 = 308,863/x
  3. Step 3: Cross multiply
    197,117x = 308,863 × 308,863
  4. Step 4: Simplify right side
    197,117x = 95,396,352,769
  5. Step 5: Solve for x
    x = 95,396,352,769/197,117
  6. Step 6: Final answer
    x = 483,958.02

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.