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Finding the Third Proportional to 57,192 and 88,381

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Solution

The third proportional to 57,192 and 88,381 is: 136,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192 : 88,381 = 88,381 : x
  2. Step 2: Convert to fraction form
    57,192/88,381 = 88,381/x
  3. Step 3: Cross multiply
    57,192x = 88,381 × 88,381
  4. Step 4: Simplify right side
    57,192x = 7,811,201,161
  5. Step 5: Solve for x
    x = 7,811,201,161/57,192
  6. Step 6: Final answer
    x = 136,578.56

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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.