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Finding the Third Proportional to 3,883 and 5,221

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Solution

The third proportional to 3,883 and 5,221 is: 7,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883 : 5,221 = 5,221 : x
  2. Step 2: Convert to fraction form
    3,883/5,221 = 5,221/x
  3. Step 3: Cross multiply
    3,883x = 5,221 × 5,221
  4. Step 4: Simplify right side
    3,883x = 27,258,841
  5. Step 5: Solve for x
    x = 27,258,841/3,883
  6. Step 6: Final answer
    x = 7,020.05

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.