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Finding the Third Proportional to 15,601.36 and 20,846.74

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Solution

The third proportional to 15,601.36 and 20,846.74 is: 27,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.36 : 20,846.74 = 20,846.74 : x
  2. Step 2: Convert to fraction form
    15,601.36/20,846.74 = 20,846.74/x
  3. Step 3: Cross multiply
    15,601.36x = 20,846.74 × 20,846.74
  4. Step 4: Simplify right side
    15,601.36x = 434,586,659.83
  5. Step 5: Solve for x
    x = 434,586,659.83/15,601.36
  6. Step 6: Final answer
    x = 27,855.69

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.