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Finding the Third Proportional to 203,215.50 and 445,176

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Solution

The third proportional to 203,215.50 and 445,176 is: 975,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,215.50 : 445,176 = 445,176 : x
  2. Step 2: Convert to fraction form
    203,215.50/445,176 = 445,176/x
  3. Step 3: Cross multiply
    203,215.50x = 445,176 × 445,176
  4. Step 4: Simplify right side
    203,215.50x = 198,181,670,976
  5. Step 5: Solve for x
    x = 198,181,670,976/203,215.50
  6. Step 6: Final answer
    x = 975,229.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.