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Finding the Third Proportional to 3,893 and 5,484

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Solution

The third proportional to 3,893 and 5,484 is: 7,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893 : 5,484 = 5,484 : x
  2. Step 2: Convert to fraction form
    3,893/5,484 = 5,484/x
  3. Step 3: Cross multiply
    3,893x = 5,484 × 5,484
  4. Step 4: Simplify right side
    3,893x = 30,074,256
  5. Step 5: Solve for x
    x = 30,074,256/3,893
  6. Step 6: Final answer
    x = 7,725.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.