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Finding the Third Proportional to 66.09 and 98.44

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Solution

The third proportional to 66.09 and 98.44 is: 146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.09 : 98.44 = 98.44 : x
  2. Step 2: Convert to fraction form
    66.09/98.44 = 98.44/x
  3. Step 3: Cross multiply
    66.09x = 98.44 × 98.44
  4. Step 4: Simplify right side
    66.09x = 9,689.94
  5. Step 5: Solve for x
    x = 9,689.94/66.09
  6. Step 6: Final answer
    x = 146.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.