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Finding the Third Proportional to 6,928 and 10,768

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Solution

The third proportional to 6,928 and 10,768 is: 16,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928 : 10,768 = 10,768 : x
  2. Step 2: Convert to fraction form
    6,928/10,768 = 10,768/x
  3. Step 3: Cross multiply
    6,928x = 10,768 × 10,768
  4. Step 4: Simplify right side
    6,928x = 115,949,824
  5. Step 5: Solve for x
    x = 115,949,824/6,928
  6. Step 6: Final answer
    x = 16,736.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.