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Finding the Third Proportional to 9,716 and 20,976

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Solution

The third proportional to 9,716 and 20,976 is: 45,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716 : 20,976 = 20,976 : x
  2. Step 2: Convert to fraction form
    9,716/20,976 = 20,976/x
  3. Step 3: Cross multiply
    9,716x = 20,976 × 20,976
  4. Step 4: Simplify right side
    9,716x = 439,992,576
  5. Step 5: Solve for x
    x = 439,992,576/9,716
  6. Step 6: Final answer
    x = 45,285.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.