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Finding the Third Proportional to 5,762 and 8,155

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Solution

The third proportional to 5,762 and 8,155 is: 11,541.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762 : 8,155 = 8,155 : x
  2. Step 2: Convert to fraction form
    5,762/8,155 = 8,155/x
  3. Step 3: Cross multiply
    5,762x = 8,155 × 8,155
  4. Step 4: Simplify right side
    5,762x = 66,504,025
  5. Step 5: Solve for x
    x = 66,504,025/5,762
  6. Step 6: Final answer
    x = 11,541.83

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.