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Finding the Third Proportional to 87,448,366 and 188,136,668

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Solution

The third proportional to 87,448,366 and 188,136,668 is: 404,757,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448,366 : 188,136,668 = 188,136,668 : x
  2. Step 2: Convert to fraction form
    87,448,366/188,136,668 = 188,136,668/x
  3. Step 3: Cross multiply
    87,448,366x = 188,136,668 × 188,136,668
  4. Step 4: Simplify right side
    87,448,366x = 35,395,405,846,142,224
  5. Step 5: Solve for x
    x = 35,395,405,846,142,224/87,448,366
  6. Step 6: Final answer
    x = 404,757,772.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.