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Finding the Third Proportional to 8,463 and 18,078

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Solution

The third proportional to 8,463 and 18,078 is: 38,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463 : 18,078 = 18,078 : x
  2. Step 2: Convert to fraction form
    8,463/18,078 = 18,078/x
  3. Step 3: Cross multiply
    8,463x = 18,078 × 18,078
  4. Step 4: Simplify right side
    8,463x = 326,814,084
  5. Step 5: Solve for x
    x = 326,814,084/8,463
  6. Step 6: Final answer
    x = 38,616.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.