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Finding the Third Proportional to 8,821,912.50 and 19,109,439.56

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Solution

The third proportional to 8,821,912.50 and 19,109,439.56 is: 41,393,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,912.50 : 19,109,439.56 = 19,109,439.56 : x
  2. Step 2: Convert to fraction form
    8,821,912.50/19,109,439.56 = 19,109,439.56/x
  3. Step 3: Cross multiply
    8,821,912.50x = 19,109,439.56 × 19,109,439.56
  4. Step 4: Simplify right side
    8,821,912.50x = 365,170,680,392,840.19
  5. Step 5: Solve for x
    x = 365,170,680,392,840.19/8,821,912.50
  6. Step 6: Final answer
    x = 41,393,595.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.