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Finding the Third Proportional to 12,318 and 27,228

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Solution

The third proportional to 12,318 and 27,228 is: 60,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318 : 27,228 = 27,228 : x
  2. Step 2: Convert to fraction form
    12,318/27,228 = 27,228/x
  3. Step 3: Cross multiply
    12,318x = 27,228 × 27,228
  4. Step 4: Simplify right side
    12,318x = 741,363,984
  5. Step 5: Solve for x
    x = 741,363,984/12,318
  6. Step 6: Final answer
    x = 60,185.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.