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Finding the Third Proportional to 20,907 and 32,631

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Solution

The third proportional to 20,907 and 32,631 is: 50,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907 : 32,631 = 32,631 : x
  2. Step 2: Convert to fraction form
    20,907/32,631 = 32,631/x
  3. Step 3: Cross multiply
    20,907x = 32,631 × 32,631
  4. Step 4: Simplify right side
    20,907x = 1,064,782,161
  5. Step 5: Solve for x
    x = 1,064,782,161/20,907
  6. Step 6: Final answer
    x = 50,929.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.