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Finding the Third Proportional to 236,477 and 339,953

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Solution

The third proportional to 236,477 and 339,953 is: 488,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,477 : 339,953 = 339,953 : x
  2. Step 2: Convert to fraction form
    236,477/339,953 = 339,953/x
  3. Step 3: Cross multiply
    236,477x = 339,953 × 339,953
  4. Step 4: Simplify right side
    236,477x = 115,568,042,209
  5. Step 5: Solve for x
    x = 115,568,042,209/236,477
  6. Step 6: Final answer
    x = 488,707.33

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.