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Finding the Third Proportional to 12,472 and 18,356

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Solution

The third proportional to 12,472 and 18,356 is: 27,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472 : 18,356 = 18,356 : x
  2. Step 2: Convert to fraction form
    12,472/18,356 = 18,356/x
  3. Step 3: Cross multiply
    12,472x = 18,356 × 18,356
  4. Step 4: Simplify right side
    12,472x = 336,942,736
  5. Step 5: Solve for x
    x = 336,942,736/12,472
  6. Step 6: Final answer
    x = 27,015.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.