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Finding the Third Proportional to 69,381 and 92,238

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Solution

The third proportional to 69,381 and 92,238 is: 122,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381 : 92,238 = 92,238 : x
  2. Step 2: Convert to fraction form
    69,381/92,238 = 92,238/x
  3. Step 3: Cross multiply
    69,381x = 92,238 × 92,238
  4. Step 4: Simplify right side
    69,381x = 8,507,848,644
  5. Step 5: Solve for x
    x = 8,507,848,644/69,381
  6. Step 6: Final answer
    x = 122,625.05

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.