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Finding the Third Proportional to 3,822,021 and 8,318,394

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Solution

The third proportional to 3,822,021 and 8,318,394 is: 18,104,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822,021 : 8,318,394 = 8,318,394 : x
  2. Step 2: Convert to fraction form
    3,822,021/8,318,394 = 8,318,394/x
  3. Step 3: Cross multiply
    3,822,021x = 8,318,394 × 8,318,394
  4. Step 4: Simplify right side
    3,822,021x = 69,195,678,739,236
  5. Step 5: Solve for x
    x = 69,195,678,739,236/3,822,021
  6. Step 6: Final answer
    x = 18,104,473.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.