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Finding the Third Proportional to 85,093.50 and 177,189

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Solution

The third proportional to 85,093.50 and 177,189 is: 368,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.50 : 177,189 = 177,189 : x
  2. Step 2: Convert to fraction form
    85,093.50/177,189 = 177,189/x
  3. Step 3: Cross multiply
    85,093.50x = 177,189 × 177,189
  4. Step 4: Simplify right side
    85,093.50x = 31,395,941,721
  5. Step 5: Solve for x
    x = 31,395,941,721/85,093.50
  6. Step 6: Final answer
    x = 368,958.17

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.