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Finding the Third Proportional to 207,801 and 447,385

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Solution

The third proportional to 207,801 and 447,385 is: 963,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,801 : 447,385 = 447,385 : x
  2. Step 2: Convert to fraction form
    207,801/447,385 = 447,385/x
  3. Step 3: Cross multiply
    207,801x = 447,385 × 447,385
  4. Step 4: Simplify right side
    207,801x = 200,153,338,225
  5. Step 5: Solve for x
    x = 200,153,338,225/207,801
  6. Step 6: Final answer
    x = 963,197.18

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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.