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Finding the Third Proportional to 2,188,246.50 and 3,515,903

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Solution

The third proportional to 2,188,246.50 and 3,515,903 is: 5,649,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,246.50 : 3,515,903 = 3,515,903 : x
  2. Step 2: Convert to fraction form
    2,188,246.50/3,515,903 = 3,515,903/x
  3. Step 3: Cross multiply
    2,188,246.50x = 3,515,903 × 3,515,903
  4. Step 4: Simplify right side
    2,188,246.50x = 12,361,573,905,409
  5. Step 5: Solve for x
    x = 12,361,573,905,409/2,188,246.50
  6. Step 6: Final answer
    x = 5,649,077.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.