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Finding the Third Proportional to 18,208 and 27,968

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Solution

The third proportional to 18,208 and 27,968 is: 42,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208 : 27,968 = 27,968 : x
  2. Step 2: Convert to fraction form
    18,208/27,968 = 27,968/x
  3. Step 3: Cross multiply
    18,208x = 27,968 × 27,968
  4. Step 4: Simplify right side
    18,208x = 782,209,024
  5. Step 5: Solve for x
    x = 782,209,024/18,208
  6. Step 6: Final answer
    x = 42,959.63

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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.