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Finding the Third Proportional to 5,476 and 8,356

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Solution

The third proportional to 5,476 and 8,356 is: 12,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476 : 8,356 = 8,356 : x
  2. Step 2: Convert to fraction form
    5,476/8,356 = 8,356/x
  3. Step 3: Cross multiply
    5,476x = 8,356 × 8,356
  4. Step 4: Simplify right side
    5,476x = 69,822,736
  5. Step 5: Solve for x
    x = 69,822,736/5,476
  6. Step 6: Final answer
    x = 12,750.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.