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Finding the Third Proportional to 89,138.25 and 195,770.25

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Solution

The third proportional to 89,138.25 and 195,770.25 is: 429,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,138.25 : 195,770.25 = 195,770.25 : x
  2. Step 2: Convert to fraction form
    89,138.25/195,770.25 = 195,770.25/x
  3. Step 3: Cross multiply
    89,138.25x = 195,770.25 × 195,770.25
  4. Step 4: Simplify right side
    89,138.25x = 38,325,990,785.06
  5. Step 5: Solve for x
    x = 38,325,990,785.06/89,138.25
  6. Step 6: Final answer
    x = 429,961.22

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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.