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Finding the Third Proportional to 6,424 and 15,268

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Solution

The third proportional to 6,424 and 15,268 is: 36,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424 : 15,268 = 15,268 : x
  2. Step 2: Convert to fraction form
    6,424/15,268 = 15,268/x
  3. Step 3: Cross multiply
    6,424x = 15,268 × 15,268
  4. Step 4: Simplify right side
    6,424x = 233,111,824
  5. Step 5: Solve for x
    x = 233,111,824/6,424
  6. Step 6: Final answer
    x = 36,287.64

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.