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Finding the Third Proportional to 12,222 and 14,976

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Solution

The third proportional to 12,222 and 14,976 is: 18,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222 : 14,976 = 14,976 : x
  2. Step 2: Convert to fraction form
    12,222/14,976 = 14,976/x
  3. Step 3: Cross multiply
    12,222x = 14,976 × 14,976
  4. Step 4: Simplify right side
    12,222x = 224,280,576
  5. Step 5: Solve for x
    x = 224,280,576/12,222
  6. Step 6: Final answer
    x = 18,350.56

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.