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Finding the Third Proportional to 194,810 and 263,991

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Solution

The third proportional to 194,810 and 263,991 is: 357,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,810 : 263,991 = 263,991 : x
  2. Step 2: Convert to fraction form
    194,810/263,991 = 263,991/x
  3. Step 3: Cross multiply
    194,810x = 263,991 × 263,991
  4. Step 4: Simplify right side
    194,810x = 69,691,248,081
  5. Step 5: Solve for x
    x = 69,691,248,081/194,810
  6. Step 6: Final answer
    x = 357,739.58

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.