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Finding the Third Proportional to 94.63 and 143.81

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Solution

The third proportional to 94.63 and 143.81 is: 218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.63 : 143.81 = 143.81 : x
  2. Step 2: Convert to fraction form
    94.63/143.81 = 143.81/x
  3. Step 3: Cross multiply
    94.63x = 143.81 × 143.81
  4. Step 4: Simplify right side
    94.63x = 20,682.04
  5. Step 5: Solve for x
    x = 20,682.04/94.63
  6. Step 6: Final answer
    x = 218.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.