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Finding the Third Proportional to 7,176 and 10,504

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Solution

The third proportional to 7,176 and 10,504 is: 15,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176 : 10,504 = 10,504 : x
  2. Step 2: Convert to fraction form
    7,176/10,504 = 10,504/x
  3. Step 3: Cross multiply
    7,176x = 10,504 × 10,504
  4. Step 4: Simplify right side
    7,176x = 110,334,016
  5. Step 5: Solve for x
    x = 110,334,016/7,176
  6. Step 6: Final answer
    x = 15,375.42

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.