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Finding the Third Proportional to 19.63 and 29.94

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Solution

The third proportional to 19.63 and 29.94 is: 45.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.63 : 29.94 = 29.94 : x
  2. Step 2: Convert to fraction form
    19.63/29.94 = 29.94/x
  3. Step 3: Cross multiply
    19.63x = 29.94 × 29.94
  4. Step 4: Simplify right side
    19.63x = 896.25
  5. Step 5: Solve for x
    x = 896.25/19.63
  6. Step 6: Final answer
    x = 45.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.