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Finding the Third Proportional to 1,982 and 5,336

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Solution

The third proportional to 1,982 and 5,336 is: 14,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982 : 5,336 = 5,336 : x
  2. Step 2: Convert to fraction form
    1,982/5,336 = 5,336/x
  3. Step 3: Cross multiply
    1,982x = 5,336 × 5,336
  4. Step 4: Simplify right side
    1,982x = 28,472,896
  5. Step 5: Solve for x
    x = 28,472,896/1,982
  6. Step 6: Final answer
    x = 14,365.74

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.