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Finding the Third Proportional to 161,715,256 and 351,764,672

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Solution

The third proportional to 161,715,256 and 351,764,672 is: 765,162,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715,256 : 351,764,672 = 351,764,672 : x
  2. Step 2: Convert to fraction form
    161,715,256/351,764,672 = 351,764,672/x
  3. Step 3: Cross multiply
    161,715,256x = 351,764,672 × 351,764,672
  4. Step 4: Simplify right side
    161,715,256x = 123,738,384,467,267,584
  5. Step 5: Solve for x
    x = 123,738,384,467,267,584/161,715,256
  6. Step 6: Final answer
    x = 765,162,097.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.