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Finding the Third Proportional to 8,442,811 and 19,910,494

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Solution

The third proportional to 8,442,811 and 19,910,494 is: 46,954,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,811 : 19,910,494 = 19,910,494 : x
  2. Step 2: Convert to fraction form
    8,442,811/19,910,494 = 19,910,494/x
  3. Step 3: Cross multiply
    8,442,811x = 19,910,494 × 19,910,494
  4. Step 4: Simplify right side
    8,442,811x = 396,427,771,324,036
  5. Step 5: Solve for x
    x = 396,427,771,324,036/8,442,811
  6. Step 6: Final answer
    x = 46,954,476.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.