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Finding the Third Proportional to 2,018,863 and 3,103,129.50

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Solution

The third proportional to 2,018,863 and 3,103,129.50 is: 4,769,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,863 : 3,103,129.50 = 3,103,129.50 : x
  2. Step 2: Convert to fraction form
    2,018,863/3,103,129.50 = 3,103,129.50/x
  3. Step 3: Cross multiply
    2,018,863x = 3,103,129.50 × 3,103,129.50
  4. Step 4: Simplify right side
    2,018,863x = 9,629,412,693,770.25
  5. Step 5: Solve for x
    x = 9,629,412,693,770.25/2,018,863
  6. Step 6: Final answer
    x = 4,769,720.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.