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Finding the Third Proportional to 236,484 and 339,963.75

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Solution

The third proportional to 236,484 and 339,963.75 is: 488,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,484 : 339,963.75 = 339,963.75 : x
  2. Step 2: Convert to fraction form
    236,484/339,963.75 = 339,963.75/x
  3. Step 3: Cross multiply
    236,484x = 339,963.75 × 339,963.75
  4. Step 4: Simplify right side
    236,484x = 115,575,351,314.06
  5. Step 5: Solve for x
    x = 115,575,351,314.06/236,484
  6. Step 6: Final answer
    x = 488,723.77

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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.