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Finding the Third Proportional to 41.98 and 90.07

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Solution

The third proportional to 41.98 and 90.07 is: 193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.98 : 90.07 = 90.07 : x
  2. Step 2: Convert to fraction form
    41.98/90.07 = 90.07/x
  3. Step 3: Cross multiply
    41.98x = 90.07 × 90.07
  4. Step 4: Simplify right side
    41.98x = 8,112.66
  5. Step 5: Solve for x
    x = 8,112.66/41.98
  6. Step 6: Final answer
    x = 193.27

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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.