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Finding the Third Proportional to 853,976 and 1,839,904

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Solution

The third proportional to 853,976 and 1,839,904 is: 3,964,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,976 : 1,839,904 = 1,839,904 : x
  2. Step 2: Convert to fraction form
    853,976/1,839,904 = 1,839,904/x
  3. Step 3: Cross multiply
    853,976x = 1,839,904 × 1,839,904
  4. Step 4: Simplify right side
    853,976x = 3,385,246,729,216
  5. Step 5: Solve for x
    x = 3,385,246,729,216/853,976
  6. Step 6: Final answer
    x = 3,964,100.55

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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.