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Finding the Third Proportional to 18,294 and 40,086

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Solution

The third proportional to 18,294 and 40,086 is: 87,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294 : 40,086 = 40,086 : x
  2. Step 2: Convert to fraction form
    18,294/40,086 = 40,086/x
  3. Step 3: Cross multiply
    18,294x = 40,086 × 40,086
  4. Step 4: Simplify right side
    18,294x = 1,606,887,396
  5. Step 5: Solve for x
    x = 1,606,887,396/18,294
  6. Step 6: Final answer
    x = 87,836.85

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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.