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Finding the Third Proportional to 20,463 and 26,907

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Solution

The third proportional to 20,463 and 26,907 is: 35,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463 : 26,907 = 26,907 : x
  2. Step 2: Convert to fraction form
    20,463/26,907 = 26,907/x
  3. Step 3: Cross multiply
    20,463x = 26,907 × 26,907
  4. Step 4: Simplify right side
    20,463x = 723,986,649
  5. Step 5: Solve for x
    x = 723,986,649/20,463
  6. Step 6: Final answer
    x = 35,380.28

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.