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Finding the Third Proportional to 408,646,379 and 907,992,022

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Solution

The third proportional to 408,646,379 and 907,992,022 is: 2,017,513,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,646,379 : 907,992,022 = 907,992,022 : x
  2. Step 2: Convert to fraction form
    408,646,379/907,992,022 = 907,992,022/x
  3. Step 3: Cross multiply
    408,646,379x = 907,992,022 × 907,992,022
  4. Step 4: Simplify right side
    408,646,379x = 824,449,512,015,648,512
  5. Step 5: Solve for x
    x = 824,449,512,015,648,512/408,646,379
  6. Step 6: Final answer
    x = 2,017,513,318.08

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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.