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Finding the Third Proportional to 18,784 and 27,632

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Solution

The third proportional to 18,784 and 27,632 is: 40,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784 : 27,632 = 27,632 : x
  2. Step 2: Convert to fraction form
    18,784/27,632 = 27,632/x
  3. Step 3: Cross multiply
    18,784x = 27,632 × 27,632
  4. Step 4: Simplify right side
    18,784x = 763,527,424
  5. Step 5: Solve for x
    x = 763,527,424/18,784
  6. Step 6: Final answer
    x = 40,647.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.