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Finding the Third Proportional to 18,285 and 27,354

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Solution

The third proportional to 18,285 and 27,354 is: 40,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285 : 27,354 = 27,354 : x
  2. Step 2: Convert to fraction form
    18,285/27,354 = 27,354/x
  3. Step 3: Cross multiply
    18,285x = 27,354 × 27,354
  4. Step 4: Simplify right side
    18,285x = 748,241,316
  5. Step 5: Solve for x
    x = 748,241,316/18,285
  6. Step 6: Final answer
    x = 40,921.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.