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Finding the Third Proportional to 207,686,728 and 443,171,252

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Solution

The third proportional to 207,686,728 and 443,171,252 is: 945,658,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,686,728 : 443,171,252 = 443,171,252 : x
  2. Step 2: Convert to fraction form
    207,686,728/443,171,252 = 443,171,252/x
  3. Step 3: Cross multiply
    207,686,728x = 443,171,252 × 443,171,252
  4. Step 4: Simplify right side
    207,686,728x = 196,400,758,599,247,488
  5. Step 5: Solve for x
    x = 196,400,758,599,247,488/207,686,728
  6. Step 6: Final answer
    x = 945,658,687.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.