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Finding the Third Proportional to 104.63 and 141.19

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Solution

The third proportional to 104.63 and 141.19 is: 190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.63 : 141.19 = 141.19 : x
  2. Step 2: Convert to fraction form
    104.63/141.19 = 141.19/x
  3. Step 3: Cross multiply
    104.63x = 141.19 × 141.19
  4. Step 4: Simplify right side
    104.63x = 19,933.91
  5. Step 5: Solve for x
    x = 19,933.91/104.63
  6. Step 6: Final answer
    x = 190.53

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.