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Finding the Third Proportional to 61.07 and 108.84

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Solution

The third proportional to 61.07 and 108.84 is: 194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.07 : 108.84 = 108.84 : x
  2. Step 2: Convert to fraction form
    61.07/108.84 = 108.84/x
  3. Step 3: Cross multiply
    61.07x = 108.84 × 108.84
  4. Step 4: Simplify right side
    61.07x = 11,846.96
  5. Step 5: Solve for x
    x = 11,846.96/61.07
  6. Step 6: Final answer
    x = 194.00

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.