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Finding the Third Proportional to 8,571,469.50 and 11,640,978

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Solution

The third proportional to 8,571,469.50 and 11,640,978 is: 15,809,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,469.50 : 11,640,978 = 11,640,978 : x
  2. Step 2: Convert to fraction form
    8,571,469.50/11,640,978 = 11,640,978/x
  3. Step 3: Cross multiply
    8,571,469.50x = 11,640,978 × 11,640,978
  4. Step 4: Simplify right side
    8,571,469.50x = 135,512,368,796,484
  5. Step 5: Solve for x
    x = 135,512,368,796,484/8,571,469.50
  6. Step 6: Final answer
    x = 15,809,700.87

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.