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Finding the Third Proportional to 12,130 and 18,266

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Solution

The third proportional to 12,130 and 18,266 is: 27,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130 : 18,266 = 18,266 : x
  2. Step 2: Convert to fraction form
    12,130/18,266 = 18,266/x
  3. Step 3: Cross multiply
    12,130x = 18,266 × 18,266
  4. Step 4: Simplify right side
    12,130x = 333,646,756
  5. Step 5: Solve for x
    x = 333,646,756/12,130
  6. Step 6: Final answer
    x = 27,505.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.