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Finding the Third Proportional to 3,178 and 6,452

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Solution

The third proportional to 3,178 and 6,452 is: 13,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178 : 6,452 = 6,452 : x
  2. Step 2: Convert to fraction form
    3,178/6,452 = 6,452/x
  3. Step 3: Cross multiply
    3,178x = 6,452 × 6,452
  4. Step 4: Simplify right side
    3,178x = 41,628,304
  5. Step 5: Solve for x
    x = 41,628,304/3,178
  6. Step 6: Final answer
    x = 13,098.90

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.