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Finding the Third Proportional to 18,112 and 27,968

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Solution

The third proportional to 18,112 and 27,968 is: 43,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112 : 27,968 = 27,968 : x
  2. Step 2: Convert to fraction form
    18,112/27,968 = 27,968/x
  3. Step 3: Cross multiply
    18,112x = 27,968 × 27,968
  4. Step 4: Simplify right side
    18,112x = 782,209,024
  5. Step 5: Solve for x
    x = 782,209,024/18,112
  6. Step 6: Final answer
    x = 43,187.34

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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.