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Finding the Third Proportional to 3,958 and 5,326

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Solution

The third proportional to 3,958 and 5,326 is: 7,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958 : 5,326 = 5,326 : x
  2. Step 2: Convert to fraction form
    3,958/5,326 = 5,326/x
  3. Step 3: Cross multiply
    3,958x = 5,326 × 5,326
  4. Step 4: Simplify right side
    3,958x = 28,366,276
  5. Step 5: Solve for x
    x = 28,366,276/3,958
  6. Step 6: Final answer
    x = 7,166.82

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.