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Finding the Third Proportional to 9,265 and 20,231

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Solution

The third proportional to 9,265 and 20,231 is: 44,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265 : 20,231 = 20,231 : x
  2. Step 2: Convert to fraction form
    9,265/20,231 = 20,231/x
  3. Step 3: Cross multiply
    9,265x = 20,231 × 20,231
  4. Step 4: Simplify right side
    9,265x = 409,293,361
  5. Step 5: Solve for x
    x = 409,293,361/9,265
  6. Step 6: Final answer
    x = 44,176.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.