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Finding the Third Proportional to 190.69 and 210.94

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Solution

The third proportional to 190.69 and 210.94 is: 233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.69 : 210.94 = 210.94 : x
  2. Step 2: Convert to fraction form
    190.69/210.94 = 210.94/x
  3. Step 3: Cross multiply
    190.69x = 210.94 × 210.94
  4. Step 4: Simplify right side
    190.69x = 44,494.63
  5. Step 5: Solve for x
    x = 44,494.63/190.69
  6. Step 6: Final answer
    x = 233.34

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.