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Finding the Third Proportional to 14,256 and 21,268

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Solution

The third proportional to 14,256 and 21,268 is: 31,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256 : 21,268 = 21,268 : x
  2. Step 2: Convert to fraction form
    14,256/21,268 = 21,268/x
  3. Step 3: Cross multiply
    14,256x = 21,268 × 21,268
  4. Step 4: Simplify right side
    14,256x = 452,327,824
  5. Step 5: Solve for x
    x = 452,327,824/14,256
  6. Step 6: Final answer
    x = 31,728.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.