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Finding the Third Proportional to 21,936 and 48,948

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Solution

The third proportional to 21,936 and 48,948 is: 109,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936 : 48,948 = 48,948 : x
  2. Step 2: Convert to fraction form
    21,936/48,948 = 48,948/x
  3. Step 3: Cross multiply
    21,936x = 48,948 × 48,948
  4. Step 4: Simplify right side
    21,936x = 2,395,906,704
  5. Step 5: Solve for x
    x = 2,395,906,704/21,936
  6. Step 6: Final answer
    x = 109,222.59

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.