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Finding the Third Proportional to 8,922 and 15,954

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Solution

The third proportional to 8,922 and 15,954 is: 28,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922 : 15,954 = 15,954 : x
  2. Step 2: Convert to fraction form
    8,922/15,954 = 15,954/x
  3. Step 3: Cross multiply
    8,922x = 15,954 × 15,954
  4. Step 4: Simplify right side
    8,922x = 254,530,116
  5. Step 5: Solve for x
    x = 254,530,116/8,922
  6. Step 6: Final answer
    x = 28,528.37

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.