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Finding the Third Proportional to 4,198,554 and 8,769,852

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Solution

The third proportional to 4,198,554 and 8,769,852 is: 18,318,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198,554 : 8,769,852 = 8,769,852 : x
  2. Step 2: Convert to fraction form
    4,198,554/8,769,852 = 8,769,852/x
  3. Step 3: Cross multiply
    4,198,554x = 8,769,852 × 8,769,852
  4. Step 4: Simplify right side
    4,198,554x = 76,910,304,101,904
  5. Step 5: Solve for x
    x = 76,910,304,101,904/4,198,554
  6. Step 6: Final answer
    x = 18,318,283.89

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.