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Finding the Third Proportional to 1,820,967 and 3,988,857

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Solution

The third proportional to 1,820,967 and 3,988,857 is: 8,737,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,967 : 3,988,857 = 3,988,857 : x
  2. Step 2: Convert to fraction form
    1,820,967/3,988,857 = 3,988,857/x
  3. Step 3: Cross multiply
    1,820,967x = 3,988,857 × 3,988,857
  4. Step 4: Simplify right side
    1,820,967x = 15,910,980,166,449
  5. Step 5: Solve for x
    x = 15,910,980,166,449/1,820,967
  6. Step 6: Final answer
    x = 8,737,654.32

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.