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Finding the Third Proportional to 180,229.50 and 389,369.25

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Solution

The third proportional to 180,229.50 and 389,369.25 is: 841,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,229.50 : 389,369.25 = 389,369.25 : x
  2. Step 2: Convert to fraction form
    180,229.50/389,369.25 = 389,369.25/x
  3. Step 3: Cross multiply
    180,229.50x = 389,369.25 × 389,369.25
  4. Step 4: Simplify right side
    180,229.50x = 151,608,412,845.56
  5. Step 5: Solve for x
    x = 151,608,412,845.56/180,229.50
  6. Step 6: Final answer
    x = 841,196.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.