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Finding the Third Proportional to 1,887,745 and 4,107,218

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Solution

The third proportional to 1,887,745 and 4,107,218 is: 8,936,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,745 : 4,107,218 = 4,107,218 : x
  2. Step 2: Convert to fraction form
    1,887,745/4,107,218 = 4,107,218/x
  3. Step 3: Cross multiply
    1,887,745x = 4,107,218 × 4,107,218
  4. Step 4: Simplify right side
    1,887,745x = 16,869,239,699,524
  5. Step 5: Solve for x
    x = 16,869,239,699,524/1,887,745
  6. Step 6: Final answer
    x = 8,936,185.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.