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

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Solution

The third proportional to 6,976 and 7,968 is: 9,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976 : 7,968 = 7,968 : x
  2. Step 2: Convert to fraction form
    6,976/7,968 = 7,968/x
  3. Step 3: Cross multiply
    6,976x = 7,968 × 7,968
  4. Step 4: Simplify right side
    6,976x = 63,489,024
  5. Step 5: Solve for x
    x = 63,489,024/6,976
  6. Step 6: Final answer
    x = 9,101.06

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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.