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Finding the Third Proportional to 8,979,315.75 and 20,355,738.75

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Solution

The third proportional to 8,979,315.75 and 20,355,738.75 is: 46,145,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,315.75 : 20,355,738.75 = 20,355,738.75 : x
  2. Step 2: Convert to fraction form
    8,979,315.75/20,355,738.75 = 20,355,738.75/x
  3. Step 3: Cross multiply
    8,979,315.75x = 20,355,738.75 × 20,355,738.75
  4. Step 4: Simplify right side
    8,979,315.75x = 414,356,100,058,251.56
  5. Step 5: Solve for x
    x = 414,356,100,058,251.56/8,979,315.75
  6. Step 6: Final answer
    x = 46,145,620.85

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.