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Finding the Third Proportional to 80,981.50 and 189,183

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Solution

The third proportional to 80,981.50 and 189,183 is: 441,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,981.50 : 189,183 = 189,183 : x
  2. Step 2: Convert to fraction form
    80,981.50/189,183 = 189,183/x
  3. Step 3: Cross multiply
    80,981.50x = 189,183 × 189,183
  4. Step 4: Simplify right side
    80,981.50x = 35,790,207,489
  5. Step 5: Solve for x
    x = 35,790,207,489/80,981.50
  6. Step 6: Final answer
    x = 441,955.35

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.