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Finding the Third Proportional to 171.84 and 335.06

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Solution

The third proportional to 171.84 and 335.06 is: 653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.84 : 335.06 = 335.06 : x
  2. Step 2: Convert to fraction form
    171.84/335.06 = 335.06/x
  3. Step 3: Cross multiply
    171.84x = 335.06 × 335.06
  4. Step 4: Simplify right side
    171.84x = 112,266.88
  5. Step 5: Solve for x
    x = 112,266.88/171.84
  6. Step 6: Final answer
    x = 653.31

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.