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Finding the Third Proportional to 1,397,985 and 2,999,874

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Solution

The third proportional to 1,397,985 and 2,999,874 is: 6,437,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,985 : 2,999,874 = 2,999,874 : x
  2. Step 2: Convert to fraction form
    1,397,985/2,999,874 = 2,999,874/x
  3. Step 3: Cross multiply
    1,397,985x = 2,999,874 × 2,999,874
  4. Step 4: Simplify right side
    1,397,985x = 8,999,244,015,876
  5. Step 5: Solve for x
    x = 8,999,244,015,876/1,397,985
  6. Step 6: Final answer
    x = 6,437,296.55

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