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Finding the Third Proportional to 12,723 and 19,224

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Solution

The third proportional to 12,723 and 19,224 is: 29,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723 : 19,224 = 19,224 : x
  2. Step 2: Convert to fraction form
    12,723/19,224 = 19,224/x
  3. Step 3: Cross multiply
    12,723x = 19,224 × 19,224
  4. Step 4: Simplify right side
    12,723x = 369,562,176
  5. Step 5: Solve for x
    x = 369,562,176/12,723
  6. Step 6: Final answer
    x = 29,046.78

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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.