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Finding the Third Proportional to 1,422,669 and 2,529,555

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Solution

The third proportional to 1,422,669 and 2,529,555 is: 4,497,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,669 : 2,529,555 = 2,529,555 : x
  2. Step 2: Convert to fraction form
    1,422,669/2,529,555 = 2,529,555/x
  3. Step 3: Cross multiply
    1,422,669x = 2,529,555 × 2,529,555
  4. Step 4: Simplify right side
    1,422,669x = 6,398,648,498,025
  5. Step 5: Solve for x
    x = 6,398,648,498,025/1,422,669
  6. Step 6: Final answer
    x = 4,497,636.83

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.