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Finding the Third Proportional to 5,939 and 12,772

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Solution

The third proportional to 5,939 and 12,772 is: 27,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939 : 12,772 = 12,772 : x
  2. Step 2: Convert to fraction form
    5,939/12,772 = 12,772/x
  3. Step 3: Cross multiply
    5,939x = 12,772 × 12,772
  4. Step 4: Simplify right side
    5,939x = 163,123,984
  5. Step 5: Solve for x
    x = 163,123,984/5,939
  6. Step 6: Final answer
    x = 27,466.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.