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Finding the Third Proportional to 2,958 and 5,268

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Solution

The third proportional to 2,958 and 5,268 is: 9,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958 : 5,268 = 5,268 : x
  2. Step 2: Convert to fraction form
    2,958/5,268 = 5,268/x
  3. Step 3: Cross multiply
    2,958x = 5,268 × 5,268
  4. Step 4: Simplify right side
    2,958x = 27,751,824
  5. Step 5: Solve for x
    x = 27,751,824/2,958
  6. Step 6: Final answer
    x = 9,381.96

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.