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Finding the Third Proportional to 142 and 184

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Solution

The third proportional to 142 and 184 is: 238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142 : 184 = 184 : x
  2. Step 2: Convert to fraction form
    142/184 = 184/x
  3. Step 3: Cross multiply
    142x = 184 × 184
  4. Step 4: Simplify right side
    142x = 33,856
  5. Step 5: Solve for x
    x = 33,856/142
  6. Step 6: Final answer
    x = 238.42

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.