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Finding the Third Proportional to 234,485 and 363,311

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Solution

The third proportional to 234,485 and 363,311 is: 562,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,485 : 363,311 = 363,311 : x
  2. Step 2: Convert to fraction form
    234,485/363,311 = 363,311/x
  3. Step 3: Cross multiply
    234,485x = 363,311 × 363,311
  4. Step 4: Simplify right side
    234,485x = 131,994,882,721
  5. Step 5: Solve for x
    x = 131,994,882,721/234,485
  6. Step 6: Final answer
    x = 562,913.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.