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Finding the Third Proportional to 4,187.81 and 9,027

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Solution

The third proportional to 4,187.81 and 9,027 is: 19,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.81 : 9,027 = 9,027 : x
  2. Step 2: Convert to fraction form
    4,187.81/9,027 = 9,027/x
  3. Step 3: Cross multiply
    4,187.81x = 9,027 × 9,027
  4. Step 4: Simplify right side
    4,187.81x = 81,486,729
  5. Step 5: Solve for x
    x = 81,486,729/4,187.81
  6. Step 6: Final answer
    x = 19,458.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.