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Finding the Third Proportional to 3,959,212.50 and 6,120,765

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Solution

The third proportional to 3,959,212.50 and 6,120,765 is: 9,462,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,212.50 : 6,120,765 = 6,120,765 : x
  2. Step 2: Convert to fraction form
    3,959,212.50/6,120,765 = 6,120,765/x
  3. Step 3: Cross multiply
    3,959,212.50x = 6,120,765 × 6,120,765
  4. Step 4: Simplify right side
    3,959,212.50x = 37,463,764,185,225
  5. Step 5: Solve for x
    x = 37,463,764,185,225/3,959,212.50
  6. Step 6: Final answer
    x = 9,462,428.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.