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Finding the Third Proportional to 59.06 and 79.88

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Solution

The third proportional to 59.06 and 79.88 is: 108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.06 : 79.88 = 79.88 : x
  2. Step 2: Convert to fraction form
    59.06/79.88 = 79.88/x
  3. Step 3: Cross multiply
    59.06x = 79.88 × 79.88
  4. Step 4: Simplify right side
    59.06x = 6,380.02
  5. Step 5: Solve for x
    x = 6,380.02/59.06
  6. Step 6: Final answer
    x = 108.02

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.