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Finding the Third Proportional to 6,968 and 7,976

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Solution

The third proportional to 6,968 and 7,976 is: 9,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968 : 7,976 = 7,976 : x
  2. Step 2: Convert to fraction form
    6,968/7,976 = 7,976/x
  3. Step 3: Cross multiply
    6,968x = 7,976 × 7,976
  4. Step 4: Simplify right side
    6,968x = 63,616,576
  5. Step 5: Solve for x
    x = 63,616,576/6,968
  6. Step 6: Final answer
    x = 9,129.82

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.