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Finding the Third Proportional to 19,228 and 28,112

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Solution

The third proportional to 19,228 and 28,112 is: 41,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228 : 28,112 = 28,112 : x
  2. Step 2: Convert to fraction form
    19,228/28,112 = 28,112/x
  3. Step 3: Cross multiply
    19,228x = 28,112 × 28,112
  4. Step 4: Simplify right side
    19,228x = 790,284,544
  5. Step 5: Solve for x
    x = 790,284,544/19,228
  6. Step 6: Final answer
    x = 41,100.71

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.