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Finding the Third Proportional to 200,934 and 442,042

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Solution

The third proportional to 200,934 and 442,042 is: 972,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,934 : 442,042 = 442,042 : x
  2. Step 2: Convert to fraction form
    200,934/442,042 = 442,042/x
  3. Step 3: Cross multiply
    200,934x = 442,042 × 442,042
  4. Step 4: Simplify right side
    200,934x = 195,401,129,764
  5. Step 5: Solve for x
    x = 195,401,129,764/200,934
  6. Step 6: Final answer
    x = 972,464.24

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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.