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Finding the Third Proportional to 236,021.75 and 355,992

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Solution

The third proportional to 236,021.75 and 355,992 is: 536,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,021.75 : 355,992 = 355,992 : x
  2. Step 2: Convert to fraction form
    236,021.75/355,992 = 355,992/x
  3. Step 3: Cross multiply
    236,021.75x = 355,992 × 355,992
  4. Step 4: Simplify right side
    236,021.75x = 126,730,304,064
  5. Step 5: Solve for x
    x = 126,730,304,064/236,021.75
  6. Step 6: Final answer
    x = 536,943.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.