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Finding the Third Proportional to 11,226.52 and 15,609.61

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Solution

The third proportional to 11,226.52 and 15,609.61 is: 21,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.52 : 15,609.61 = 15,609.61 : x
  2. Step 2: Convert to fraction form
    11,226.52/15,609.61 = 15,609.61/x
  3. Step 3: Cross multiply
    11,226.52x = 15,609.61 × 15,609.61
  4. Step 4: Simplify right side
    11,226.52x = 243,659,904.84
  5. Step 5: Solve for x
    x = 243,659,904.84/11,226.52
  6. Step 6: Final answer
    x = 21,703.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.