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Finding the Third Proportional to 141 and 187.13

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Solution

The third proportional to 141 and 187.13 is: 248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 187.13 = 187.13 : x
  2. Step 2: Convert to fraction form
    141/187.13 = 187.13/x
  3. Step 3: Cross multiply
    141x = 187.13 × 187.13
  4. Step 4: Simplify right side
    141x = 35,015.77
  5. Step 5: Solve for x
    x = 35,015.77/141
  6. Step 6: Final answer
    x = 248.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.