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Finding the Third Proportional to 1,777 and 4,811

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Solution

The third proportional to 1,777 and 4,811 is: 13,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777 : 4,811 = 4,811 : x
  2. Step 2: Convert to fraction form
    1,777/4,811 = 4,811/x
  3. Step 3: Cross multiply
    1,777x = 4,811 × 4,811
  4. Step 4: Simplify right side
    1,777x = 23,145,721
  5. Step 5: Solve for x
    x = 23,145,721/1,777
  6. Step 6: Final answer
    x = 13,025.17

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.