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Finding the Third Proportional to 3,786,439.31 and 8,150,246.63

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Solution

The third proportional to 3,786,439.31 and 8,150,246.63 is: 17,543,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,439.31 : 8,150,246.63 = 8,150,246.63 : x
  2. Step 2: Convert to fraction form
    3,786,439.31/8,150,246.63 = 8,150,246.63/x
  3. Step 3: Cross multiply
    3,786,439.31x = 8,150,246.63 × 8,150,246.63
  4. Step 4: Simplify right side
    3,786,439.31x = 66,426,520,048,323.89
  5. Step 5: Solve for x
    x = 66,426,520,048,323.89/3,786,439.31
  6. Step 6: Final answer
    x = 17,543,268.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.