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Finding the Third Proportional to 73,544 and 155,755

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Solution

The third proportional to 73,544 and 155,755 is: 329,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,544 : 155,755 = 155,755 : x
  2. Step 2: Convert to fraction form
    73,544/155,755 = 155,755/x
  3. Step 3: Cross multiply
    73,544x = 155,755 × 155,755
  4. Step 4: Simplify right side
    73,544x = 24,259,620,025
  5. Step 5: Solve for x
    x = 24,259,620,025/73,544
  6. Step 6: Final answer
    x = 329,865.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.