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Finding the Third Proportional to 5,606 and 6,398

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Solution

The third proportional to 5,606 and 6,398 is: 7,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606 : 6,398 = 6,398 : x
  2. Step 2: Convert to fraction form
    5,606/6,398 = 6,398/x
  3. Step 3: Cross multiply
    5,606x = 6,398 × 6,398
  4. Step 4: Simplify right side
    5,606x = 40,934,404
  5. Step 5: Solve for x
    x = 40,934,404/5,606
  6. Step 6: Final answer
    x = 7,301.89

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.