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Finding the Third Proportional to 1,869,394.50 and 4,066,839

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Solution

The third proportional to 1,869,394.50 and 4,066,839 is: 8,847,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,394.50 : 4,066,839 = 4,066,839 : x
  2. Step 2: Convert to fraction form
    1,869,394.50/4,066,839 = 4,066,839/x
  3. Step 3: Cross multiply
    1,869,394.50x = 4,066,839 × 4,066,839
  4. Step 4: Simplify right side
    1,869,394.50x = 16,539,179,451,921
  5. Step 5: Solve for x
    x = 16,539,179,451,921/1,869,394.50
  6. Step 6: Final answer
    x = 8,847,345.73

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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.