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Finding the Third Proportional to 5,032 and 7,679

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Solution

The third proportional to 5,032 and 7,679 is: 11,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032 : 7,679 = 7,679 : x
  2. Step 2: Convert to fraction form
    5,032/7,679 = 7,679/x
  3. Step 3: Cross multiply
    5,032x = 7,679 × 7,679
  4. Step 4: Simplify right side
    5,032x = 58,967,041
  5. Step 5: Solve for x
    x = 58,967,041/5,032
  6. Step 6: Final answer
    x = 11,718.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.