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Finding the Third Proportional to 9,713 and 20,842

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Solution

The third proportional to 9,713 and 20,842 is: 44,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713 : 20,842 = 20,842 : x
  2. Step 2: Convert to fraction form
    9,713/20,842 = 20,842/x
  3. Step 3: Cross multiply
    9,713x = 20,842 × 20,842
  4. Step 4: Simplify right side
    9,713x = 434,388,964
  5. Step 5: Solve for x
    x = 434,388,964/9,713
  6. Step 6: Final answer
    x = 44,722.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.