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Finding the Third Proportional to 11,716.88 and 25,308

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Solution

The third proportional to 11,716.88 and 25,308 is: 54,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.88 : 25,308 = 25,308 : x
  2. Step 2: Convert to fraction form
    11,716.88/25,308 = 25,308/x
  3. Step 3: Cross multiply
    11,716.88x = 25,308 × 25,308
  4. Step 4: Simplify right side
    11,716.88x = 640,494,864
  5. Step 5: Solve for x
    x = 640,494,864/11,716.88
  6. Step 6: Final answer
    x = 54,664.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.