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Finding the Third Proportional to 11,210 and 16,831

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Solution

The third proportional to 11,210 and 16,831 is: 25,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210 : 16,831 = 16,831 : x
  2. Step 2: Convert to fraction form
    11,210/16,831 = 16,831/x
  3. Step 3: Cross multiply
    11,210x = 16,831 × 16,831
  4. Step 4: Simplify right side
    11,210x = 283,282,561
  5. Step 5: Solve for x
    x = 283,282,561/11,210
  6. Step 6: Final answer
    x = 25,270.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.