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Finding the Third Proportional to 16,721.44 and 22,775.55

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Solution

The third proportional to 16,721.44 and 22,775.55 is: 31,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.44 : 22,775.55 = 22,775.55 : x
  2. Step 2: Convert to fraction form
    16,721.44/22,775.55 = 22,775.55/x
  3. Step 3: Cross multiply
    16,721.44x = 22,775.55 × 22,775.55
  4. Step 4: Simplify right side
    16,721.44x = 518,725,891.32
  5. Step 5: Solve for x
    x = 518,725,891.32/16,721.44
  6. Step 6: Final answer
    x = 31,021.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.