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Finding the Third Proportional to 117 and 241.50

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Solution

The third proportional to 117 and 241.50 is: 498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117 : 241.50 = 241.50 : x
  2. Step 2: Convert to fraction form
    117/241.50 = 241.50/x
  3. Step 3: Cross multiply
    117x = 241.50 × 241.50
  4. Step 4: Simplify right side
    117x = 58,322.25
  5. Step 5: Solve for x
    x = 58,322.25/117
  6. Step 6: Final answer
    x = 498.48

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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.