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Finding the Third Proportional to 18,274 and 27,402

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Solution

The third proportional to 18,274 and 27,402 is: 41,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274 : 27,402 = 27,402 : x
  2. Step 2: Convert to fraction form
    18,274/27,402 = 27,402/x
  3. Step 3: Cross multiply
    18,274x = 27,402 × 27,402
  4. Step 4: Simplify right side
    18,274x = 750,869,604
  5. Step 5: Solve for x
    x = 750,869,604/18,274
  6. Step 6: Final answer
    x = 41,089.50

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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.