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Finding the Third Proportional to 6,871 and 7,519

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Solution

The third proportional to 6,871 and 7,519 is: 8,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871 : 7,519 = 7,519 : x
  2. Step 2: Convert to fraction form
    6,871/7,519 = 7,519/x
  3. Step 3: Cross multiply
    6,871x = 7,519 × 7,519
  4. Step 4: Simplify right side
    6,871x = 56,535,361
  5. Step 5: Solve for x
    x = 56,535,361/6,871
  6. Step 6: Final answer
    x = 8,228.11

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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.