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Finding the Third Proportional to 75,969 and 166,240

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Solution

The third proportional to 75,969 and 166,240 is: 363,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969 : 166,240 = 166,240 : x
  2. Step 2: Convert to fraction form
    75,969/166,240 = 166,240/x
  3. Step 3: Cross multiply
    75,969x = 166,240 × 166,240
  4. Step 4: Simplify right side
    75,969x = 27,635,737,600
  5. Step 5: Solve for x
    x = 27,635,737,600/75,969
  6. Step 6: Final answer
    x = 363,776.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.