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Finding the Third Proportional to 6,398 and 6,950

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Solution

The third proportional to 6,398 and 6,950 is: 7,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398 : 6,950 = 6,950 : x
  2. Step 2: Convert to fraction form
    6,398/6,950 = 6,950/x
  3. Step 3: Cross multiply
    6,398x = 6,950 × 6,950
  4. Step 4: Simplify right side
    6,398x = 48,302,500
  5. Step 5: Solve for x
    x = 48,302,500/6,398
  6. Step 6: Final answer
    x = 7,549.62

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.