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Finding the Third Proportional to 203,646 and 447,450

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Solution

The third proportional to 203,646 and 447,450 is: 983,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,646 : 447,450 = 447,450 : x
  2. Step 2: Convert to fraction form
    203,646/447,450 = 447,450/x
  3. Step 3: Cross multiply
    203,646x = 447,450 × 447,450
  4. Step 4: Simplify right side
    203,646x = 200,211,502,500
  5. Step 5: Solve for x
    x = 200,211,502,500/203,646
  6. Step 6: Final answer
    x = 983,134.96

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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.