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Finding the Third Proportional to 8,574,342.75 and 18,391,997.25

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Solution

The third proportional to 8,574,342.75 and 18,391,997.25 is: 39,450,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574,342.75 : 18,391,997.25 = 18,391,997.25 : x
  2. Step 2: Convert to fraction form
    8,574,342.75/18,391,997.25 = 18,391,997.25/x
  3. Step 3: Cross multiply
    8,574,342.75x = 18,391,997.25 × 18,391,997.25
  4. Step 4: Simplify right side
    8,574,342.75x = 338,265,562,844,007.56
  5. Step 5: Solve for x
    x = 338,265,562,844,007.56/8,574,342.75
  6. Step 6: Final answer
    x = 39,450,902.85

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Why These Related Problems?

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