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Finding the Third Proportional to 7,942 and 10,900

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Solution

The third proportional to 7,942 and 10,900 is: 14,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942 : 10,900 = 10,900 : x
  2. Step 2: Convert to fraction form
    7,942/10,900 = 10,900/x
  3. Step 3: Cross multiply
    7,942x = 10,900 × 10,900
  4. Step 4: Simplify right side
    7,942x = 118,810,000
  5. Step 5: Solve for x
    x = 118,810,000/7,942
  6. Step 6: Final answer
    x = 14,959.71

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.