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Finding the Third Proportional to 14,879.81 and 20,186.44

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Solution

The third proportional to 14,879.81 and 20,186.44 is: 27,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.81 : 20,186.44 = 20,186.44 : x
  2. Step 2: Convert to fraction form
    14,879.81/20,186.44 = 20,186.44/x
  3. Step 3: Cross multiply
    14,879.81x = 20,186.44 × 20,186.44
  4. Step 4: Simplify right side
    14,879.81x = 407,492,258.94
  5. Step 5: Solve for x
    x = 407,492,258.94/14,879.81
  6. Step 6: Final answer
    x = 27,385.58

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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.