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Finding the Third Proportional to 9,274 and 20,402

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Solution

The third proportional to 9,274 and 20,402 is: 44,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,274 : 20,402 = 20,402 : x
  2. Step 2: Convert to fraction form
    9,274/20,402 = 20,402/x
  3. Step 3: Cross multiply
    9,274x = 20,402 × 20,402
  4. Step 4: Simplify right side
    9,274x = 416,241,604
  5. Step 5: Solve for x
    x = 416,241,604/9,274
  6. Step 6: Final answer
    x = 44,882.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.