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Finding the Third Proportional to 9,671 and 20,607

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Solution

The third proportional to 9,671 and 20,607 is: 43,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671 : 20,607 = 20,607 : x
  2. Step 2: Convert to fraction form
    9,671/20,607 = 20,607/x
  3. Step 3: Cross multiply
    9,671x = 20,607 × 20,607
  4. Step 4: Simplify right side
    9,671x = 424,648,449
  5. Step 5: Solve for x
    x = 424,648,449/9,671
  6. Step 6: Final answer
    x = 43,909.47

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.