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Finding the Third Proportional to 5,453 and 6,695

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Solution

The third proportional to 5,453 and 6,695 is: 8,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453 : 6,695 = 6,695 : x
  2. Step 2: Convert to fraction form
    5,453/6,695 = 6,695/x
  3. Step 3: Cross multiply
    5,453x = 6,695 × 6,695
  4. Step 4: Simplify right side
    5,453x = 44,823,025
  5. Step 5: Solve for x
    x = 44,823,025/5,453
  6. Step 6: Final answer
    x = 8,219.88

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.