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Finding the Third Proportional to 214.41 and 295.31

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Solution

The third proportional to 214.41 and 295.31 is: 406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.41 : 295.31 = 295.31 : x
  2. Step 2: Convert to fraction form
    214.41/295.31 = 295.31/x
  3. Step 3: Cross multiply
    214.41x = 295.31 × 295.31
  4. Step 4: Simplify right side
    214.41x = 87,209.47
  5. Step 5: Solve for x
    x = 87,209.47/214.41
  6. Step 6: Final answer
    x = 406.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.