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Finding the Third Proportional to 18,783,947.25 and 28,734,540.75

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Solution

The third proportional to 18,783,947.25 and 28,734,540.75 is: 43,956,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,947.25 : 28,734,540.75 = 28,734,540.75 : x
  2. Step 2: Convert to fraction form
    18,783,947.25/28,734,540.75 = 28,734,540.75/x
  3. Step 3: Cross multiply
    18,783,947.25x = 28,734,540.75 × 28,734,540.75
  4. Step 4: Simplify right side
    18,783,947.25x = 825,673,832,113,410.50
  5. Step 5: Solve for x
    x = 825,673,832,113,410.50/18,783,947.25
  6. Step 6: Final answer
    x = 43,956,353.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.