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Finding the Third Proportional to 5,178 and 12,027

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Solution

The third proportional to 5,178 and 12,027 is: 27,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178 : 12,027 = 12,027 : x
  2. Step 2: Convert to fraction form
    5,178/12,027 = 12,027/x
  3. Step 3: Cross multiply
    5,178x = 12,027 × 12,027
  4. Step 4: Simplify right side
    5,178x = 144,648,729
  5. Step 5: Solve for x
    x = 144,648,729/5,178
  6. Step 6: Final answer
    x = 27,935.25

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.