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Finding the Third Proportional to 2,619,214.19 and 3,912,690.81

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Solution

The third proportional to 2,619,214.19 and 3,912,690.81 is: 5,844,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,214.19 : 3,912,690.81 = 3,912,690.81 : x
  2. Step 2: Convert to fraction form
    2,619,214.19/3,912,690.81 = 3,912,690.81/x
  3. Step 3: Cross multiply
    2,619,214.19x = 3,912,690.81 × 3,912,690.81
  4. Step 4: Simplify right side
    2,619,214.19x = 15,309,149,394,221.91
  5. Step 5: Solve for x
    x = 15,309,149,394,221.91/2,619,214.19
  6. Step 6: Final answer
    x = 5,844,939.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.