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Finding the Third Proportional to 8,707 and 18,962

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Solution

The third proportional to 8,707 and 18,962 is: 41,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707 : 18,962 = 18,962 : x
  2. Step 2: Convert to fraction form
    8,707/18,962 = 18,962/x
  3. Step 3: Cross multiply
    8,707x = 18,962 × 18,962
  4. Step 4: Simplify right side
    8,707x = 359,557,444
  5. Step 5: Solve for x
    x = 359,557,444/8,707
  6. Step 6: Final answer
    x = 41,295.22

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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.