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Finding the Third Proportional to 12,472 and 27,824

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Solution

The third proportional to 12,472 and 27,824 is: 62,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472 : 27,824 = 27,824 : x
  2. Step 2: Convert to fraction form
    12,472/27,824 = 27,824/x
  3. Step 3: Cross multiply
    12,472x = 27,824 × 27,824
  4. Step 4: Simplify right side
    12,472x = 774,174,976
  5. Step 5: Solve for x
    x = 774,174,976/12,472
  6. Step 6: Final answer
    x = 62,073.04

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.