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Finding the Third Proportional to 18,141 and 27,752

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Solution

The third proportional to 18,141 and 27,752 is: 42,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141 : 27,752 = 27,752 : x
  2. Step 2: Convert to fraction form
    18,141/27,752 = 27,752/x
  3. Step 3: Cross multiply
    18,141x = 27,752 × 27,752
  4. Step 4: Simplify right side
    18,141x = 770,173,504
  5. Step 5: Solve for x
    x = 770,173,504/18,141
  6. Step 6: Final answer
    x = 42,454.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.