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Finding the Third Proportional to 203.34 and 456.05

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Solution

The third proportional to 203.34 and 456.05 is: 1,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.34 : 456.05 = 456.05 : x
  2. Step 2: Convert to fraction form
    203.34/456.05 = 456.05/x
  3. Step 3: Cross multiply
    203.34x = 456.05 × 456.05
  4. Step 4: Simplify right side
    203.34x = 207,978.75
  5. Step 5: Solve for x
    x = 207,978.75/203.34
  6. Step 6: Final answer
    x = 1,022.79

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.