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Finding the Third Proportional to 1,996,285 and 4,328,878

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Solution

The third proportional to 1,996,285 and 4,328,878 is: 9,387,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,285 : 4,328,878 = 4,328,878 : x
  2. Step 2: Convert to fraction form
    1,996,285/4,328,878 = 4,328,878/x
  3. Step 3: Cross multiply
    1,996,285x = 4,328,878 × 4,328,878
  4. Step 4: Simplify right side
    1,996,285x = 18,739,184,738,884
  5. Step 5: Solve for x
    x = 18,739,184,738,884/1,996,285
  6. Step 6: Final answer
    x = 9,387,028.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.