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Finding the Third Proportional to 88.88 and 191.19

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Solution

The third proportional to 88.88 and 191.19 is: 411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.88 : 191.19 = 191.19 : x
  2. Step 2: Convert to fraction form
    88.88/191.19 = 191.19/x
  3. Step 3: Cross multiply
    88.88x = 191.19 × 191.19
  4. Step 4: Simplify right side
    88.88x = 36,552.66
  5. Step 5: Solve for x
    x = 36,552.66/88.88
  6. Step 6: Final answer
    x = 411.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.