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Finding the Third Proportional to 88.50 and 106

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Solution

The third proportional to 88.50 and 106 is: 126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.50 : 106 = 106 : x
  2. Step 2: Convert to fraction form
    88.50/106 = 106/x
  3. Step 3: Cross multiply
    88.50x = 106 × 106
  4. Step 4: Simplify right side
    88.50x = 11,236
  5. Step 5: Solve for x
    x = 11,236/88.50
  6. Step 6: Final answer
    x = 126.96

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.