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Finding the Third Proportional to 4,968 and 11,940

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Solution

The third proportional to 4,968 and 11,940 is: 28,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968 : 11,940 = 11,940 : x
  2. Step 2: Convert to fraction form
    4,968/11,940 = 11,940/x
  3. Step 3: Cross multiply
    4,968x = 11,940 × 11,940
  4. Step 4: Simplify right side
    4,968x = 142,563,600
  5. Step 5: Solve for x
    x = 142,563,600/4,968
  6. Step 6: Final answer
    x = 28,696.38

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.