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Finding the Third Proportional to 74,198 and 111,297

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Solution

The third proportional to 74,198 and 111,297 is: 166,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198 : 111,297 = 111,297 : x
  2. Step 2: Convert to fraction form
    74,198/111,297 = 111,297/x
  3. Step 3: Cross multiply
    74,198x = 111,297 × 111,297
  4. Step 4: Simplify right side
    74,198x = 12,387,022,209
  5. Step 5: Solve for x
    x = 12,387,022,209/74,198
  6. Step 6: Final answer
    x = 166,945.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.