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Finding the Third Proportional to 134,912 and 197,994

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Solution

The third proportional to 134,912 and 197,994 is: 290,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,912 : 197,994 = 197,994 : x
  2. Step 2: Convert to fraction form
    134,912/197,994 = 197,994/x
  3. Step 3: Cross multiply
    134,912x = 197,994 × 197,994
  4. Step 4: Simplify right side
    134,912x = 39,201,624,036
  5. Step 5: Solve for x
    x = 39,201,624,036/134,912
  6. Step 6: Final answer
    x = 290,571.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.