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Finding the Third Proportional to 37,278 and 49,815

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Solution

The third proportional to 37,278 and 49,815 is: 66,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278 : 49,815 = 49,815 : x
  2. Step 2: Convert to fraction form
    37,278/49,815 = 49,815/x
  3. Step 3: Cross multiply
    37,278x = 49,815 × 49,815
  4. Step 4: Simplify right side
    37,278x = 2,481,534,225
  5. Step 5: Solve for x
    x = 2,481,534,225/37,278
  6. Step 6: Final answer
    x = 66,568.33

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.