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Finding the Third Proportional to 18,262 and 28,199

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Solution

The third proportional to 18,262 and 28,199 is: 43,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262 : 28,199 = 28,199 : x
  2. Step 2: Convert to fraction form
    18,262/28,199 = 28,199/x
  3. Step 3: Cross multiply
    18,262x = 28,199 × 28,199
  4. Step 4: Simplify right side
    18,262x = 795,183,601
  5. Step 5: Solve for x
    x = 795,183,601/18,262
  6. Step 6: Final answer
    x = 43,543.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.