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Finding the Third Proportional to 18,325,467 and 36,188,370

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Solution

The third proportional to 18,325,467 and 36,188,370 is: 71,463,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,467 : 36,188,370 = 36,188,370 : x
  2. Step 2: Convert to fraction form
    18,325,467/36,188,370 = 36,188,370/x
  3. Step 3: Cross multiply
    18,325,467x = 36,188,370 × 36,188,370
  4. Step 4: Simplify right side
    18,325,467x = 1,309,598,123,256,900
  5. Step 5: Solve for x
    x = 1,309,598,123,256,900/18,325,467
  6. Step 6: Final answer
    x = 71,463,287.85

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.