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Finding the Third Proportional to 93.25 and 120.50

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Solution

The third proportional to 93.25 and 120.50 is: 155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.25 : 120.50 = 120.50 : x
  2. Step 2: Convert to fraction form
    93.25/120.50 = 120.50/x
  3. Step 3: Cross multiply
    93.25x = 120.50 × 120.50
  4. Step 4: Simplify right side
    93.25x = 14,520.25
  5. Step 5: Solve for x
    x = 14,520.25/93.25
  6. Step 6: Final answer
    x = 155.71

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.