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Finding the Third Proportional to 46 and 119.75

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Solution

The third proportional to 46 and 119.75 is: 311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46 : 119.75 = 119.75 : x
  2. Step 2: Convert to fraction form
    46/119.75 = 119.75/x
  3. Step 3: Cross multiply
    46x = 119.75 × 119.75
  4. Step 4: Simplify right side
    46x = 14,340.06
  5. Step 5: Solve for x
    x = 14,340.06/46
  6. Step 6: Final answer
    x = 311.74

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.