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Finding the Third Proportional to 15,338 and 22,521

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Solution

The third proportional to 15,338 and 22,521 is: 33,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338 : 22,521 = 22,521 : x
  2. Step 2: Convert to fraction form
    15,338/22,521 = 22,521/x
  3. Step 3: Cross multiply
    15,338x = 22,521 × 22,521
  4. Step 4: Simplify right side
    15,338x = 507,195,441
  5. Step 5: Solve for x
    x = 507,195,441/15,338
  6. Step 6: Final answer
    x = 33,067.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.