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Finding the Third Proportional to 6,368 and 7,331

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Solution

The third proportional to 6,368 and 7,331 is: 8,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368 : 7,331 = 7,331 : x
  2. Step 2: Convert to fraction form
    6,368/7,331 = 7,331/x
  3. Step 3: Cross multiply
    6,368x = 7,331 × 7,331
  4. Step 4: Simplify right side
    6,368x = 53,743,561
  5. Step 5: Solve for x
    x = 53,743,561/6,368
  6. Step 6: Final answer
    x = 8,439.63

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.