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Finding the Third Proportional to 116.02 and 239.63

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Solution

The third proportional to 116.02 and 239.63 is: 494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.02 : 239.63 = 239.63 : x
  2. Step 2: Convert to fraction form
    116.02/239.63 = 239.63/x
  3. Step 3: Cross multiply
    116.02x = 239.63 × 239.63
  4. Step 4: Simplify right side
    116.02x = 57,420.14
  5. Step 5: Solve for x
    x = 57,420.14/116.02
  6. Step 6: Final answer
    x = 494.93

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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.