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Finding the Third Proportional to 2,549,991.38 and 5,548,591.13

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Solution

The third proportional to 2,549,991.38 and 5,548,591.13 is: 12,073,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,991.38 : 5,548,591.13 = 5,548,591.13 : x
  2. Step 2: Convert to fraction form
    2,549,991.38/5,548,591.13 = 5,548,591.13/x
  3. Step 3: Cross multiply
    2,549,991.38x = 5,548,591.13 × 5,548,591.13
  4. Step 4: Simplify right side
    2,549,991.38x = 30,786,863,472,428.77
  5. Step 5: Solve for x
    x = 30,786,863,472,428.77/2,549,991.38
  6. Step 6: Final answer
    x = 12,073,320.63

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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.