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Finding the Third Proportional to 23.63 and 45

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Solution

The third proportional to 23.63 and 45 is: 85.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.63 : 45 = 45 : x
  2. Step 2: Convert to fraction form
    23.63/45 = 45/x
  3. Step 3: Cross multiply
    23.63x = 45 × 45
  4. Step 4: Simplify right side
    23.63x = 2,025
  5. Step 5: Solve for x
    x = 2,025/23.63
  6. Step 6: Final answer
    x = 85.71

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.