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Finding the Third Proportional to 9,286 and 19,922

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Solution

The third proportional to 9,286 and 19,922 is: 42,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286 : 19,922 = 19,922 : x
  2. Step 2: Convert to fraction form
    9,286/19,922 = 19,922/x
  3. Step 3: Cross multiply
    9,286x = 19,922 × 19,922
  4. Step 4: Simplify right side
    9,286x = 396,886,084
  5. Step 5: Solve for x
    x = 396,886,084/9,286
  6. Step 6: Final answer
    x = 42,740.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.