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Finding the Third Proportional to 3,736 and 4,228

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Solution

The third proportional to 3,736 and 4,228 is: 4,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736 : 4,228 = 4,228 : x
  2. Step 2: Convert to fraction form
    3,736/4,228 = 4,228/x
  3. Step 3: Cross multiply
    3,736x = 4,228 × 4,228
  4. Step 4: Simplify right side
    3,736x = 17,875,984
  5. Step 5: Solve for x
    x = 17,875,984/3,736
  6. Step 6: Final answer
    x = 4,784.79

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.