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Finding the Third Proportional to 9,520 and 20,274

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Solution

The third proportional to 9,520 and 20,274 is: 43,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520 : 20,274 = 20,274 : x
  2. Step 2: Convert to fraction form
    9,520/20,274 = 20,274/x
  3. Step 3: Cross multiply
    9,520x = 20,274 × 20,274
  4. Step 4: Simplify right side
    9,520x = 411,035,076
  5. Step 5: Solve for x
    x = 411,035,076/9,520
  6. Step 6: Final answer
    x = 43,175.95

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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.