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Finding the Third Proportional to 5,825 and 8,155

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Solution

The third proportional to 5,825 and 8,155 is: 11,417

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825 : 8,155 = 8,155 : x
  2. Step 2: Convert to fraction form
    5,825/8,155 = 8,155/x
  3. Step 3: Cross multiply
    5,825x = 8,155 × 8,155
  4. Step 4: Simplify right side
    5,825x = 66,504,025
  5. Step 5: Solve for x
    x = 66,504,025/5,825
  6. Step 6: Final answer
    x = 11,417

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.