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Finding the Third Proportional to 412,279.88 and 886,889.25

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Solution

The third proportional to 412,279.88 and 886,889.25 is: 1,907,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,279.88 : 886,889.25 = 886,889.25 : x
  2. Step 2: Convert to fraction form
    412,279.88/886,889.25 = 886,889.25/x
  3. Step 3: Cross multiply
    412,279.88x = 886,889.25 × 886,889.25
  4. Step 4: Simplify right side
    412,279.88x = 786,572,541,765.56
  5. Step 5: Solve for x
    x = 786,572,541,765.56/412,279.88
  6. Step 6: Final answer
    x = 1,907,860.63

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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.