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Finding the Third Proportional to 170.63 and 402.88

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Solution

The third proportional to 170.63 and 402.88 is: 951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.63 : 402.88 = 402.88 : x
  2. Step 2: Convert to fraction form
    170.63/402.88 = 402.88/x
  3. Step 3: Cross multiply
    170.63x = 402.88 × 402.88
  4. Step 4: Simplify right side
    170.63x = 162,308.27
  5. Step 5: Solve for x
    x = 162,308.27/170.63
  6. Step 6: Final answer
    x = 951.26

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.