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Finding the Third Proportional to 198,610.88 and 437,305.50

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Solution

The third proportional to 198,610.88 and 437,305.50 is: 962,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,610.88 : 437,305.50 = 437,305.50 : x
  2. Step 2: Convert to fraction form
    198,610.88/437,305.50 = 437,305.50/x
  3. Step 3: Cross multiply
    198,610.88x = 437,305.50 × 437,305.50
  4. Step 4: Simplify right side
    198,610.88x = 191,236,100,330.25
  5. Step 5: Solve for x
    x = 191,236,100,330.25/198,610.88
  6. Step 6: Final answer
    x = 962,868.22

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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.