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Finding the Third Proportional to 8,713 and 18,946

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Solution

The third proportional to 8,713 and 18,946 is: 41,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713 : 18,946 = 18,946 : x
  2. Step 2: Convert to fraction form
    8,713/18,946 = 18,946/x
  3. Step 3: Cross multiply
    8,713x = 18,946 × 18,946
  4. Step 4: Simplify right side
    8,713x = 358,950,916
  5. Step 5: Solve for x
    x = 358,950,916/8,713
  6. Step 6: Final answer
    x = 41,197.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.