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Finding the Third Proportional to 290,495.11 and 629,227.62

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Solution

The third proportional to 290,495.11 and 629,227.62 is: 1,362,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,495.11 : 629,227.62 = 629,227.62 : x
  2. Step 2: Convert to fraction form
    290,495.11/629,227.62 = 629,227.62/x
  3. Step 3: Cross multiply
    290,495.11x = 629,227.62 × 629,227.62
  4. Step 4: Simplify right side
    290,495.11x = 395,927,394,231.46
  5. Step 5: Solve for x
    x = 395,927,394,231.46/290,495.11
  6. Step 6: Final answer
    x = 1,362,939.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.