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Finding the Third Proportional to 91.50 and 164

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Solution

The third proportional to 91.50 and 164 is: 293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.50 : 164 = 164 : x
  2. Step 2: Convert to fraction form
    91.50/164 = 164/x
  3. Step 3: Cross multiply
    91.50x = 164 × 164
  4. Step 4: Simplify right side
    91.50x = 26,896
  5. Step 5: Solve for x
    x = 26,896/91.50
  6. Step 6: Final answer
    x = 293.95

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.