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Finding the Third Proportional to 11,712.41 and 18,273.41

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Solution

The third proportional to 11,712.41 and 18,273.41 is: 28,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.41 : 18,273.41 = 18,273.41 : x
  2. Step 2: Convert to fraction form
    11,712.41/18,273.41 = 18,273.41/x
  3. Step 3: Cross multiply
    11,712.41x = 18,273.41 × 18,273.41
  4. Step 4: Simplify right side
    11,712.41x = 333,917,518.74
  5. Step 5: Solve for x
    x = 333,917,518.74/11,712.41
  6. Step 6: Final answer
    x = 28,509.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.