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Finding the Third Proportional to 203,636.25 and 447,419.25

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Solution

The third proportional to 203,636.25 and 447,419.25 is: 983,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,636.25 : 447,419.25 = 447,419.25 : x
  2. Step 2: Convert to fraction form
    203,636.25/447,419.25 = 447,419.25/x
  3. Step 3: Cross multiply
    203,636.25x = 447,419.25 × 447,419.25
  4. Step 4: Simplify right side
    203,636.25x = 200,183,985,270.56
  5. Step 5: Solve for x
    x = 200,183,985,270.56/203,636.25
  6. Step 6: Final answer
    x = 983,046.90

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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.