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Finding the Third Proportional to 7,842 and 10,995

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Solution

The third proportional to 7,842 and 10,995 is: 15,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842 : 10,995 = 10,995 : x
  2. Step 2: Convert to fraction form
    7,842/10,995 = 10,995/x
  3. Step 3: Cross multiply
    7,842x = 10,995 × 10,995
  4. Step 4: Simplify right side
    7,842x = 120,890,025
  5. Step 5: Solve for x
    x = 120,890,025/7,842
  6. Step 6: Final answer
    x = 15,415.71

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.