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Finding the Third Proportional to 40,322 and 57,327

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Solution

The third proportional to 40,322 and 57,327 is: 81,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322 : 57,327 = 57,327 : x
  2. Step 2: Convert to fraction form
    40,322/57,327 = 57,327/x
  3. Step 3: Cross multiply
    40,322x = 57,327 × 57,327
  4. Step 4: Simplify right side
    40,322x = 3,286,384,929
  5. Step 5: Solve for x
    x = 3,286,384,929/40,322
  6. Step 6: Final answer
    x = 81,503.52

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.