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Finding the Third Proportional to 5,659,891.31 and 8,826,138.84

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Solution

The third proportional to 5,659,891.31 and 8,826,138.84 is: 13,763,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659,891.31 : 8,826,138.84 = 8,826,138.84 : x
  2. Step 2: Convert to fraction form
    5,659,891.31/8,826,138.84 = 8,826,138.84/x
  3. Step 3: Cross multiply
    5,659,891.31x = 8,826,138.84 × 8,826,138.84
  4. Step 4: Simplify right side
    5,659,891.31x = 77,900,726,889,152.59
  5. Step 5: Solve for x
    x = 77,900,726,889,152.59/5,659,891.31
  6. Step 6: Final answer
    x = 13,763,643.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.