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Finding the Third Proportional to 7,922.25 and 17,223

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Solution

The third proportional to 7,922.25 and 17,223 is: 37,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.25 : 17,223 = 17,223 : x
  2. Step 2: Convert to fraction form
    7,922.25/17,223 = 17,223/x
  3. Step 3: Cross multiply
    7,922.25x = 17,223 × 17,223
  4. Step 4: Simplify right side
    7,922.25x = 296,631,729
  5. Step 5: Solve for x
    x = 296,631,729/7,922.25
  6. Step 6: Final answer
    x = 37,442.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.