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Finding the Third Proportional to 12,768 and 19,324

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Solution

The third proportional to 12,768 and 19,324 is: 29,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768 : 19,324 = 19,324 : x
  2. Step 2: Convert to fraction form
    12,768/19,324 = 19,324/x
  3. Step 3: Cross multiply
    12,768x = 19,324 × 19,324
  4. Step 4: Simplify right side
    12,768x = 373,416,976
  5. Step 5: Solve for x
    x = 373,416,976/12,768
  6. Step 6: Final answer
    x = 29,246.32

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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.