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Finding the Third Proportional to 236.36 and 355.96

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Solution

The third proportional to 236.36 and 355.96 is: 536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.36 : 355.96 = 355.96 : x
  2. Step 2: Convert to fraction form
    236.36/355.96 = 355.96/x
  3. Step 3: Cross multiply
    236.36x = 355.96 × 355.96
  4. Step 4: Simplify right side
    236.36x = 126,705.41
  5. Step 5: Solve for x
    x = 126,705.41/236.36
  6. Step 6: Final answer
    x = 536.08

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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.