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Finding the Third Proportional to 207,347,105 and 445,465,087

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Solution

The third proportional to 207,347,105 and 445,465,087 is: 957,038,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,347,105 : 445,465,087 = 445,465,087 : x
  2. Step 2: Convert to fraction form
    207,347,105/445,465,087 = 445,465,087/x
  3. Step 3: Cross multiply
    207,347,105x = 445,465,087 × 445,465,087
  4. Step 4: Simplify right side
    207,347,105x = 198,439,143,735,917,568
  5. Step 5: Solve for x
    x = 198,439,143,735,917,568/207,347,105
  6. Step 6: Final answer
    x = 957,038,410.23

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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.