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Finding the Third Proportional to 4,102 and 5,397

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Solution

The third proportional to 4,102 and 5,397 is: 7,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102 : 5,397 = 5,397 : x
  2. Step 2: Convert to fraction form
    4,102/5,397 = 5,397/x
  3. Step 3: Cross multiply
    4,102x = 5,397 × 5,397
  4. Step 4: Simplify right side
    4,102x = 29,127,609
  5. Step 5: Solve for x
    x = 29,127,609/4,102
  6. Step 6: Final answer
    x = 7,100.83

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.