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Finding the Third Proportional to 5,179 and 8,277

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Solution

The third proportional to 5,179 and 8,277 is: 13,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179 : 8,277 = 8,277 : x
  2. Step 2: Convert to fraction form
    5,179/8,277 = 8,277/x
  3. Step 3: Cross multiply
    5,179x = 8,277 × 8,277
  4. Step 4: Simplify right side
    5,179x = 68,508,729
  5. Step 5: Solve for x
    x = 68,508,729/5,179
  6. Step 6: Final answer
    x = 13,228.18

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.