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Finding the Third Proportional to 853,969.50 and 1,839,891

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Solution

The third proportional to 853,969.50 and 1,839,891 is: 3,964,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,969.50 : 1,839,891 = 1,839,891 : x
  2. Step 2: Convert to fraction form
    853,969.50/1,839,891 = 1,839,891/x
  3. Step 3: Cross multiply
    853,969.50x = 1,839,891 × 1,839,891
  4. Step 4: Simplify right side
    853,969.50x = 3,385,198,891,881
  5. Step 5: Solve for x
    x = 3,385,198,891,881/853,969.50
  6. Step 6: Final answer
    x = 3,964,074.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.