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Finding the Third Proportional to 206.93 and 458.47

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Solution

The third proportional to 206.93 and 458.47 is: 1,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.93 : 458.47 = 458.47 : x
  2. Step 2: Convert to fraction form
    206.93/458.47 = 458.47/x
  3. Step 3: Cross multiply
    206.93x = 458.47 × 458.47
  4. Step 4: Simplify right side
    206.93x = 210,197.18
  5. Step 5: Solve for x
    x = 210,197.18/206.93
  6. Step 6: Final answer
    x = 1,015.79

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.