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Finding the Third Proportional to 84,760 and 131,324

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Solution

The third proportional to 84,760 and 131,324 is: 203,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760 : 131,324 = 131,324 : x
  2. Step 2: Convert to fraction form
    84,760/131,324 = 131,324/x
  3. Step 3: Cross multiply
    84,760x = 131,324 × 131,324
  4. Step 4: Simplify right side
    84,760x = 17,245,992,976
  5. Step 5: Solve for x
    x = 17,245,992,976/84,760
  6. Step 6: Final answer
    x = 203,468.53

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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.