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Finding the Third Proportional to 12,210 and 26,147

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Solution

The third proportional to 12,210 and 26,147 is: 55,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210 : 26,147 = 26,147 : x
  2. Step 2: Convert to fraction form
    12,210/26,147 = 26,147/x
  3. Step 3: Cross multiply
    12,210x = 26,147 × 26,147
  4. Step 4: Simplify right side
    12,210x = 683,665,609
  5. Step 5: Solve for x
    x = 683,665,609/12,210
  6. Step 6: Final answer
    x = 55,992.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.