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Finding the Third Proportional to 18,529,991 and 28,726,647

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Solution

The third proportional to 18,529,991 and 28,726,647 is: 44,534,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,991 : 28,726,647 = 28,726,647 : x
  2. Step 2: Convert to fraction form
    18,529,991/28,726,647 = 28,726,647/x
  3. Step 3: Cross multiply
    18,529,991x = 28,726,647 × 28,726,647
  4. Step 4: Simplify right side
    18,529,991x = 825,220,247,862,609
  5. Step 5: Solve for x
    x = 825,220,247,862,609/18,529,991
  6. Step 6: Final answer
    x = 44,534,303.76

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.