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Finding the Third Proportional to 36,640 and 80,318

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Solution

The third proportional to 36,640 and 80,318 is: 176,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640 : 80,318 = 80,318 : x
  2. Step 2: Convert to fraction form
    36,640/80,318 = 80,318/x
  3. Step 3: Cross multiply
    36,640x = 80,318 × 80,318
  4. Step 4: Simplify right side
    36,640x = 6,450,981,124
  5. Step 5: Solve for x
    x = 6,450,981,124/36,640
  6. Step 6: Final answer
    x = 176,063.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.