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Finding the Third Proportional to 116.93 and 199.55

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Solution

The third proportional to 116.93 and 199.55 is: 340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.93 : 199.55 = 199.55 : x
  2. Step 2: Convert to fraction form
    116.93/199.55 = 199.55/x
  3. Step 3: Cross multiply
    116.93x = 199.55 × 199.55
  4. Step 4: Simplify right side
    116.93x = 39,818.96
  5. Step 5: Solve for x
    x = 39,818.96/116.93
  6. Step 6: Final answer
    x = 340.54

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.