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Finding the Third Proportional to 3,991,543.50 and 6,253,121.25

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Solution

The third proportional to 3,991,543.50 and 6,253,121.25 is: 9,796,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,543.50 : 6,253,121.25 = 6,253,121.25 : x
  2. Step 2: Convert to fraction form
    3,991,543.50/6,253,121.25 = 6,253,121.25/x
  3. Step 3: Cross multiply
    3,991,543.50x = 6,253,121.25 × 6,253,121.25
  4. Step 4: Simplify right side
    3,991,543.50x = 39,101,525,367,201.56
  5. Step 5: Solve for x
    x = 39,101,525,367,201.56/3,991,543.50
  6. Step 6: Final answer
    x = 9,796,091.50

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.