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Finding the Third Proportional to 290,487.52 and 629,214.33

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Solution

The third proportional to 290,487.52 and 629,214.33 is: 1,362,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,487.52 : 629,214.33 = 629,214.33 : x
  2. Step 2: Convert to fraction form
    290,487.52/629,214.33 = 629,214.33/x
  3. Step 3: Cross multiply
    290,487.52x = 629,214.33 × 629,214.33
  4. Step 4: Simplify right side
    290,487.52x = 395,910,670,717.80
  5. Step 5: Solve for x
    x = 395,910,670,717.80/290,487.52
  6. Step 6: Final answer
    x = 1,362,918.02

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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.