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Finding the Third Proportional to 168.50 and 417

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Solution

The third proportional to 168.50 and 417 is: 1,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.50 : 417 = 417 : x
  2. Step 2: Convert to fraction form
    168.50/417 = 417/x
  3. Step 3: Cross multiply
    168.50x = 417 × 417
  4. Step 4: Simplify right side
    168.50x = 173,889
  5. Step 5: Solve for x
    x = 173,889/168.50
  6. Step 6: Final answer
    x = 1,031.98

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.