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Finding the Third Proportional to 236.75 and 499.38

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Solution

The third proportional to 236.75 and 499.38 is: 1,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.75 : 499.38 = 499.38 : x
  2. Step 2: Convert to fraction form
    236.75/499.38 = 499.38/x
  3. Step 3: Cross multiply
    236.75x = 499.38 × 499.38
  4. Step 4: Simplify right side
    236.75x = 249,375.39
  5. Step 5: Solve for x
    x = 249,375.39/236.75
  6. Step 6: Final answer
    x = 1,053.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.