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Finding the Third Proportional to 1,928 and 5,004

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Solution

The third proportional to 1,928 and 5,004 is: 12,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928 : 5,004 = 5,004 : x
  2. Step 2: Convert to fraction form
    1,928/5,004 = 5,004/x
  3. Step 3: Cross multiply
    1,928x = 5,004 × 5,004
  4. Step 4: Simplify right side
    1,928x = 25,040,016
  5. Step 5: Solve for x
    x = 25,040,016/1,928
  6. Step 6: Final answer
    x = 12,987.56

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.