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Finding the Third Proportional to 8,163 and 17,784

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Solution

The third proportional to 8,163 and 17,784 is: 38,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163 : 17,784 = 17,784 : x
  2. Step 2: Convert to fraction form
    8,163/17,784 = 17,784/x
  3. Step 3: Cross multiply
    8,163x = 17,784 × 17,784
  4. Step 4: Simplify right side
    8,163x = 316,270,656
  5. Step 5: Solve for x
    x = 316,270,656/8,163
  6. Step 6: Final answer
    x = 38,744.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.