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Finding the Third Proportional to 6,867.38 and 13,187.63

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Solution

The third proportional to 6,867.38 and 13,187.63 is: 25,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.38 : 13,187.63 = 13,187.63 : x
  2. Step 2: Convert to fraction form
    6,867.38/13,187.63 = 13,187.63/x
  3. Step 3: Cross multiply
    6,867.38x = 13,187.63 × 13,187.63
  4. Step 4: Simplify right side
    6,867.38x = 173,913,453.14
  5. Step 5: Solve for x
    x = 173,913,453.14/6,867.38
  6. Step 6: Final answer
    x = 25,324.59

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.