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Finding the Third Proportional to 203,770 and 442,552

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Solution

The third proportional to 203,770 and 442,552 is: 961,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,770 : 442,552 = 442,552 : x
  2. Step 2: Convert to fraction form
    203,770/442,552 = 442,552/x
  3. Step 3: Cross multiply
    203,770x = 442,552 × 442,552
  4. Step 4: Simplify right side
    203,770x = 195,852,272,704
  5. Step 5: Solve for x
    x = 195,852,272,704/203,770
  6. Step 6: Final answer
    x = 961,143.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.