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Finding the Third Proportional to 7,176 and 10,734

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Solution

The third proportional to 7,176 and 10,734 is: 16,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176 : 10,734 = 10,734 : x
  2. Step 2: Convert to fraction form
    7,176/10,734 = 10,734/x
  3. Step 3: Cross multiply
    7,176x = 10,734 × 10,734
  4. Step 4: Simplify right side
    7,176x = 115,218,756
  5. Step 5: Solve for x
    x = 115,218,756/7,176
  6. Step 6: Final answer
    x = 16,056.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.