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Finding the Third Proportional to 4,196,811 and 9,275,803

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Solution

The third proportional to 4,196,811 and 9,275,803 is: 20,501,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196,811 : 9,275,803 = 9,275,803 : x
  2. Step 2: Convert to fraction form
    4,196,811/9,275,803 = 9,275,803/x
  3. Step 3: Cross multiply
    4,196,811x = 9,275,803 × 9,275,803
  4. Step 4: Simplify right side
    4,196,811x = 86,040,521,294,809
  5. Step 5: Solve for x
    x = 86,040,521,294,809/4,196,811
  6. Step 6: Final answer
    x = 20,501,404.83

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.