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Finding the Third Proportional to 95.50 and 209

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Solution

The third proportional to 95.50 and 209 is: 457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.50 : 209 = 209 : x
  2. Step 2: Convert to fraction form
    95.50/209 = 209/x
  3. Step 3: Cross multiply
    95.50x = 209 × 209
  4. Step 4: Simplify right side
    95.50x = 43,681
  5. Step 5: Solve for x
    x = 43,681/95.50
  6. Step 6: Final answer
    x = 457.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.