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Finding the Third Proportional to 207,330 and 447,740

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Solution

The third proportional to 207,330 and 447,740 is: 966,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330 : 447,740 = 447,740 : x
  2. Step 2: Convert to fraction form
    207,330/447,740 = 447,740/x
  3. Step 3: Cross multiply
    207,330x = 447,740 × 447,740
  4. Step 4: Simplify right side
    207,330x = 200,471,107,600
  5. Step 5: Solve for x
    x = 200,471,107,600/207,330
  6. Step 6: Final answer
    x = 966,917.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.