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Finding the Third Proportional to 108.28 and 237.94

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Solution

The third proportional to 108.28 and 237.94 is: 522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.28 : 237.94 = 237.94 : x
  2. Step 2: Convert to fraction form
    108.28/237.94 = 237.94/x
  3. Step 3: Cross multiply
    108.28x = 237.94 × 237.94
  4. Step 4: Simplify right side
    108.28x = 56,614.25
  5. Step 5: Solve for x
    x = 56,614.25/108.28
  6. Step 6: Final answer
    x = 522.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.