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Finding the Third Proportional to 9,275,238 and 19,923,912

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Solution

The third proportional to 9,275,238 and 19,923,912 is: 42,798,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275,238 : 19,923,912 = 19,923,912 : x
  2. Step 2: Convert to fraction form
    9,275,238/19,923,912 = 19,923,912/x
  3. Step 3: Cross multiply
    9,275,238x = 19,923,912 × 19,923,912
  4. Step 4: Simplify right side
    9,275,238x = 396,962,269,383,744
  5. Step 5: Solve for x
    x = 396,962,269,383,744/9,275,238
  6. Step 6: Final answer
    x = 42,798,068.30

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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.