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Finding the Third Proportional to 88.88 and 194.63

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Solution

The third proportional to 88.88 and 194.63 is: 426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.88 : 194.63 = 194.63 : x
  2. Step 2: Convert to fraction form
    88.88/194.63 = 194.63/x
  3. Step 3: Cross multiply
    88.88x = 194.63 × 194.63
  4. Step 4: Simplify right side
    88.88x = 37,878.89
  5. Step 5: Solve for x
    x = 37,878.89/88.88
  6. Step 6: Final answer
    x = 426.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.