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Finding the Third Proportional to 290,448 and 467,916

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Solution

The third proportional to 290,448 and 467,916 is: 753,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,448 : 467,916 = 467,916 : x
  2. Step 2: Convert to fraction form
    290,448/467,916 = 467,916/x
  3. Step 3: Cross multiply
    290,448x = 467,916 × 467,916
  4. Step 4: Simplify right side
    290,448x = 218,945,383,056
  5. Step 5: Solve for x
    x = 218,945,383,056/290,448
  6. Step 6: Final answer
    x = 753,819.56

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.