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Finding the Third Proportional to 1,812 and 4,014

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Solution

The third proportional to 1,812 and 4,014 is: 8,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812 : 4,014 = 4,014 : x
  2. Step 2: Convert to fraction form
    1,812/4,014 = 4,014/x
  3. Step 3: Cross multiply
    1,812x = 4,014 × 4,014
  4. Step 4: Simplify right side
    1,812x = 16,112,196
  5. Step 5: Solve for x
    x = 16,112,196/1,812
  6. Step 6: Final answer
    x = 8,891.94

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.