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Finding the Third Proportional to 22,221 and 31,252

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Solution

The third proportional to 22,221 and 31,252 is: 43,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221 : 31,252 = 31,252 : x
  2. Step 2: Convert to fraction form
    22,221/31,252 = 31,252/x
  3. Step 3: Cross multiply
    22,221x = 31,252 × 31,252
  4. Step 4: Simplify right side
    22,221x = 976,687,504
  5. Step 5: Solve for x
    x = 976,687,504/22,221
  6. Step 6: Final answer
    x = 43,953.36

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.