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Finding the Third Proportional to 7,176 and 9,452

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Solution

The third proportional to 7,176 and 9,452 is: 12,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176 : 9,452 = 9,452 : x
  2. Step 2: Convert to fraction form
    7,176/9,452 = 9,452/x
  3. Step 3: Cross multiply
    7,176x = 9,452 × 9,452
  4. Step 4: Simplify right side
    7,176x = 89,340,304
  5. Step 5: Solve for x
    x = 89,340,304/7,176
  6. Step 6: Final answer
    x = 12,449.88

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.