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Finding the Third Proportional to 9,670 and 20,525

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Solution

The third proportional to 9,670 and 20,525 is: 43,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670 : 20,525 = 20,525 : x
  2. Step 2: Convert to fraction form
    9,670/20,525 = 20,525/x
  3. Step 3: Cross multiply
    9,670x = 20,525 × 20,525
  4. Step 4: Simplify right side
    9,670x = 421,275,625
  5. Step 5: Solve for x
    x = 421,275,625/9,670
  6. Step 6: Final answer
    x = 43,565.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.