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Finding the Third Proportional to 4,079 and 5,353

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Solution

The third proportional to 4,079 and 5,353 is: 7,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079 : 5,353 = 5,353 : x
  2. Step 2: Convert to fraction form
    4,079/5,353 = 5,353/x
  3. Step 3: Cross multiply
    4,079x = 5,353 × 5,353
  4. Step 4: Simplify right side
    4,079x = 28,654,609
  5. Step 5: Solve for x
    x = 28,654,609/4,079
  6. Step 6: Final answer
    x = 7,024.91

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.