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Finding the Third Proportional to 13,106 and 20,762

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Solution

The third proportional to 13,106 and 20,762 is: 32,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106 : 20,762 = 20,762 : x
  2. Step 2: Convert to fraction form
    13,106/20,762 = 20,762/x
  3. Step 3: Cross multiply
    13,106x = 20,762 × 20,762
  4. Step 4: Simplify right side
    13,106x = 431,060,644
  5. Step 5: Solve for x
    x = 431,060,644/13,106
  6. Step 6: Final answer
    x = 32,890.33

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.