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Finding the Third Proportional to 7,968 and 18,444

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Solution

The third proportional to 7,968 and 18,444 is: 42,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968 : 18,444 = 18,444 : x
  2. Step 2: Convert to fraction form
    7,968/18,444 = 18,444/x
  3. Step 3: Cross multiply
    7,968x = 18,444 × 18,444
  4. Step 4: Simplify right side
    7,968x = 340,181,136
  5. Step 5: Solve for x
    x = 340,181,136/7,968
  6. Step 6: Final answer
    x = 42,693.42

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.