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Finding the Third Proportional to 16,728.56 and 22,708.63

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Solution

The third proportional to 16,728.56 and 22,708.63 is: 30,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.56 : 22,708.63 = 22,708.63 : x
  2. Step 2: Convert to fraction form
    16,728.56/22,708.63 = 22,708.63/x
  3. Step 3: Cross multiply
    16,728.56x = 22,708.63 × 22,708.63
  4. Step 4: Simplify right side
    16,728.56x = 515,682,092.92
  5. Step 5: Solve for x
    x = 515,682,092.92/16,728.56
  6. Step 6: Final answer
    x = 30,826.45

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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.