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Finding the Third Proportional to 134.13 and 236.75

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Solution

The third proportional to 134.13 and 236.75 is: 417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.13 : 236.75 = 236.75 : x
  2. Step 2: Convert to fraction form
    134.13/236.75 = 236.75/x
  3. Step 3: Cross multiply
    134.13x = 236.75 × 236.75
  4. Step 4: Simplify right side
    134.13x = 56,050.56
  5. Step 5: Solve for x
    x = 56,050.56/134.13
  6. Step 6: Final answer
    x = 417.90

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.