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Finding the Third Proportional to 169,663.50 and 372,858.75

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Solution

The third proportional to 169,663.50 and 372,858.75 is: 819,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,663.50 : 372,858.75 = 372,858.75 : x
  2. Step 2: Convert to fraction form
    169,663.50/372,858.75 = 372,858.75/x
  3. Step 3: Cross multiply
    169,663.50x = 372,858.75 × 372,858.75
  4. Step 4: Simplify right side
    169,663.50x = 139,023,647,451.56
  5. Step 5: Solve for x
    x = 139,023,647,451.56/169,663.50
  6. Step 6: Final answer
    x = 819,408.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.