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Finding the Third Proportional to 61,266 and 131,922

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Solution

The third proportional to 61,266 and 131,922 is: 284,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,266 : 131,922 = 131,922 : x
  2. Step 2: Convert to fraction form
    61,266/131,922 = 131,922/x
  3. Step 3: Cross multiply
    61,266x = 131,922 × 131,922
  4. Step 4: Simplify right side
    61,266x = 17,403,414,084
  5. Step 5: Solve for x
    x = 17,403,414,084/61,266
  6. Step 6: Final answer
    x = 284,063.17

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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.