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Finding the Third Proportional to 6,176 and 11,480

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Solution

The third proportional to 6,176 and 11,480 is: 21,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176 : 11,480 = 11,480 : x
  2. Step 2: Convert to fraction form
    6,176/11,480 = 11,480/x
  3. Step 3: Cross multiply
    6,176x = 11,480 × 11,480
  4. Step 4: Simplify right side
    6,176x = 131,790,400
  5. Step 5: Solve for x
    x = 131,790,400/6,176
  6. Step 6: Final answer
    x = 21,339.12

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.