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Finding the Third Proportional to 117 and 241.45

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Solution

The third proportional to 117 and 241.45 is: 498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117 : 241.45 = 241.45 : x
  2. Step 2: Convert to fraction form
    117/241.45 = 241.45/x
  3. Step 3: Cross multiply
    117x = 241.45 × 241.45
  4. Step 4: Simplify right side
    117x = 58,299.61
  5. Step 5: Solve for x
    x = 58,299.61/117
  6. Step 6: Final answer
    x = 498.29

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.