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Finding the Third Proportional to 16 and 35.50

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Solution

The third proportional to 16 and 35.50 is: 78.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16 : 35.50 = 35.50 : x
  2. Step 2: Convert to fraction form
    16/35.50 = 35.50/x
  3. Step 3: Cross multiply
    16x = 35.50 × 35.50
  4. Step 4: Simplify right side
    16x = 1,260.25
  5. Step 5: Solve for x
    x = 1,260.25/16
  6. Step 6: Final answer
    x = 78.77

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.