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Finding the Third Proportional to 207,912.38 and 447,799.50

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Solution

The third proportional to 207,912.38 and 447,799.50 is: 964,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,912.38 : 447,799.50 = 447,799.50 : x
  2. Step 2: Convert to fraction form
    207,912.38/447,799.50 = 447,799.50/x
  3. Step 3: Cross multiply
    207,912.38x = 447,799.50 × 447,799.50
  4. Step 4: Simplify right side
    207,912.38x = 200,524,392,200.25
  5. Step 5: Solve for x
    x = 200,524,392,200.25/207,912.38
  6. Step 6: Final answer
    x = 964,465.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.