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Finding the Third Proportional to 200,522 and 445,873

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Solution

The third proportional to 200,522 and 445,873 is: 991,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,522 : 445,873 = 445,873 : x
  2. Step 2: Convert to fraction form
    200,522/445,873 = 445,873/x
  3. Step 3: Cross multiply
    200,522x = 445,873 × 445,873
  4. Step 4: Simplify right side
    200,522x = 198,802,732,129
  5. Step 5: Solve for x
    x = 198,802,732,129/200,522
  6. Step 6: Final answer
    x = 991,426.04

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.