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Finding the Third Proportional to 75,344 and 165,755

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Solution

The third proportional to 75,344 and 165,755 is: 364,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,344 : 165,755 = 165,755 : x
  2. Step 2: Convert to fraction form
    75,344/165,755 = 165,755/x
  3. Step 3: Cross multiply
    75,344x = 165,755 × 165,755
  4. Step 4: Simplify right side
    75,344x = 27,474,720,025
  5. Step 5: Solve for x
    x = 27,474,720,025/75,344
  6. Step 6: Final answer
    x = 364,657.04

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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.