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Finding the Third Proportional to 5,815 and 6,301

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Solution

The third proportional to 5,815 and 6,301 is: 6,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815 : 6,301 = 6,301 : x
  2. Step 2: Convert to fraction form
    5,815/6,301 = 6,301/x
  3. Step 3: Cross multiply
    5,815x = 6,301 × 6,301
  4. Step 4: Simplify right side
    5,815x = 39,702,601
  5. Step 5: Solve for x
    x = 39,702,601/5,815
  6. Step 6: Final answer
    x = 6,827.62

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.