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Finding the Third Proportional to 8,682 and 13,066

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Solution

The third proportional to 8,682 and 13,066 is: 19,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682 : 13,066 = 13,066 : x
  2. Step 2: Convert to fraction form
    8,682/13,066 = 13,066/x
  3. Step 3: Cross multiply
    8,682x = 13,066 × 13,066
  4. Step 4: Simplify right side
    8,682x = 170,720,356
  5. Step 5: Solve for x
    x = 170,720,356/8,682
  6. Step 6: Final answer
    x = 19,663.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.