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Finding the Third Proportional to 8,158 and 15,668

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Solution

The third proportional to 8,158 and 15,668 is: 30,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158 : 15,668 = 15,668 : x
  2. Step 2: Convert to fraction form
    8,158/15,668 = 15,668/x
  3. Step 3: Cross multiply
    8,158x = 15,668 × 15,668
  4. Step 4: Simplify right side
    8,158x = 245,486,224
  5. Step 5: Solve for x
    x = 245,486,224/8,158
  6. Step 6: Final answer
    x = 30,091.47

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.