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Finding the Third Proportional to 58.13 and 120.94

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Solution

The third proportional to 58.13 and 120.94 is: 251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.13 : 120.94 = 120.94 : x
  2. Step 2: Convert to fraction form
    58.13/120.94 = 120.94/x
  3. Step 3: Cross multiply
    58.13x = 120.94 × 120.94
  4. Step 4: Simplify right side
    58.13x = 14,625.88
  5. Step 5: Solve for x
    x = 14,625.88/58.13
  6. Step 6: Final answer
    x = 251.63

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.