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Finding the Third Proportional to 5,036 and 7,311

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Solution

The third proportional to 5,036 and 7,311 is: 10,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036 : 7,311 = 7,311 : x
  2. Step 2: Convert to fraction form
    5,036/7,311 = 7,311/x
  3. Step 3: Cross multiply
    5,036x = 7,311 × 7,311
  4. Step 4: Simplify right side
    5,036x = 53,450,721
  5. Step 5: Solve for x
    x = 53,450,721/5,036
  6. Step 6: Final answer
    x = 10,613.73

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.