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Finding the Third Proportional to 116 and 240

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Solution

The third proportional to 116 and 240 is: 496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116 : 240 = 240 : x
  2. Step 2: Convert to fraction form
    116/240 = 240/x
  3. Step 3: Cross multiply
    116x = 240 × 240
  4. Step 4: Simplify right side
    116x = 57,600
  5. Step 5: Solve for x
    x = 57,600/116
  6. Step 6: Final answer
    x = 496.55

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.