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Finding the Third Proportional to 95.63 and 197.88

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Solution

The third proportional to 95.63 and 197.88 is: 409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.63 : 197.88 = 197.88 : x
  2. Step 2: Convert to fraction form
    95.63/197.88 = 197.88/x
  3. Step 3: Cross multiply
    95.63x = 197.88 × 197.88
  4. Step 4: Simplify right side
    95.63x = 39,154.52
  5. Step 5: Solve for x
    x = 39,154.52/95.63
  6. Step 6: Final answer
    x = 409.46

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.