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Finding the Third Proportional to 5,928 and 12,128

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Solution

The third proportional to 5,928 and 12,128 is: 24,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928 : 12,128 = 12,128 : x
  2. Step 2: Convert to fraction form
    5,928/12,128 = 12,128/x
  3. Step 3: Cross multiply
    5,928x = 12,128 × 12,128
  4. Step 4: Simplify right side
    5,928x = 147,088,384
  5. Step 5: Solve for x
    x = 147,088,384/5,928
  6. Step 6: Final answer
    x = 24,812.48

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.