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Finding the Third Proportional to 11,919 and 26,226

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Solution

The third proportional to 11,919 and 26,226 is: 57,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919 : 26,226 = 26,226 : x
  2. Step 2: Convert to fraction form
    11,919/26,226 = 26,226/x
  3. Step 3: Cross multiply
    11,919x = 26,226 × 26,226
  4. Step 4: Simplify right side
    11,919x = 687,803,076
  5. Step 5: Solve for x
    x = 687,803,076/11,919
  6. Step 6: Final answer
    x = 57,706.44

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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.