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Finding the Third Proportional to 3,456 and 3,768

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Solution

The third proportional to 3,456 and 3,768 is: 4,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456 : 3,768 = 3,768 : x
  2. Step 2: Convert to fraction form
    3,456/3,768 = 3,768/x
  3. Step 3: Cross multiply
    3,456x = 3,768 × 3,768
  4. Step 4: Simplify right side
    3,456x = 14,197,824
  5. Step 5: Solve for x
    x = 14,197,824/3,456
  6. Step 6: Final answer
    x = 4,108.17

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.