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Finding the Third Proportional to 5,628 and 6,228

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Solution

The third proportional to 5,628 and 6,228 is: 6,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628 : 6,228 = 6,228 : x
  2. Step 2: Convert to fraction form
    5,628/6,228 = 6,228/x
  3. Step 3: Cross multiply
    5,628x = 6,228 × 6,228
  4. Step 4: Simplify right side
    5,628x = 38,787,984
  5. Step 5: Solve for x
    x = 38,787,984/5,628
  6. Step 6: Final answer
    x = 6,891.97

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.