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Finding the Third Proportional to 42,082,022 and 90,664,780

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Solution

The third proportional to 42,082,022 and 90,664,780 is: 195,335,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082,022 : 90,664,780 = 90,664,780 : x
  2. Step 2: Convert to fraction form
    42,082,022/90,664,780 = 90,664,780/x
  3. Step 3: Cross multiply
    42,082,022x = 90,664,780 × 90,664,780
  4. Step 4: Simplify right side
    42,082,022x = 8,220,102,332,448,400
  5. Step 5: Solve for x
    x = 8,220,102,332,448,400/42,082,022
  6. Step 6: Final answer
    x = 195,335,251.06

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