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Finding the Third Proportional to 190.13 and 294.19

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Solution

The third proportional to 190.13 and 294.19 is: 455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.13 : 294.19 = 294.19 : x
  2. Step 2: Convert to fraction form
    190.13/294.19 = 294.19/x
  3. Step 3: Cross multiply
    190.13x = 294.19 × 294.19
  4. Step 4: Simplify right side
    190.13x = 86,546.29
  5. Step 5: Solve for x
    x = 86,546.29/190.13
  6. Step 6: Final answer
    x = 455.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.