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Finding the Third Proportional to 2,210 and 4,811

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Solution

The third proportional to 2,210 and 4,811 is: 10,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210 : 4,811 = 4,811 : x
  2. Step 2: Convert to fraction form
    2,210/4,811 = 4,811/x
  3. Step 3: Cross multiply
    2,210x = 4,811 × 4,811
  4. Step 4: Simplify right side
    2,210x = 23,145,721
  5. Step 5: Solve for x
    x = 23,145,721/2,210
  6. Step 6: Final answer
    x = 10,473.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.