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Finding the Third Proportional to 203,998.50 and 306,175.50

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Solution

The third proportional to 203,998.50 and 306,175.50 is: 459,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,998.50 : 306,175.50 = 306,175.50 : x
  2. Step 2: Convert to fraction form
    203,998.50/306,175.50 = 306,175.50/x
  3. Step 3: Cross multiply
    203,998.50x = 306,175.50 × 306,175.50
  4. Step 4: Simplify right side
    203,998.50x = 93,743,436,800.25
  5. Step 5: Solve for x
    x = 93,743,436,800.25/203,998.50
  6. Step 6: Final answer
    x = 459,530.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.