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Finding the Third Proportional to 194,954 and 405,224

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Solution

The third proportional to 194,954 and 405,224 is: 842,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,954 : 405,224 = 405,224 : x
  2. Step 2: Convert to fraction form
    194,954/405,224 = 405,224/x
  3. Step 3: Cross multiply
    194,954x = 405,224 × 405,224
  4. Step 4: Simplify right side
    194,954x = 164,206,490,176
  5. Step 5: Solve for x
    x = 164,206,490,176/194,954
  6. Step 6: Final answer
    x = 842,283.26

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.