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Finding the Third Proportional to 131.63 and 197.44

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Solution

The third proportional to 131.63 and 197.44 is: 296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.63 : 197.44 = 197.44 : x
  2. Step 2: Convert to fraction form
    131.63/197.44 = 197.44/x
  3. Step 3: Cross multiply
    131.63x = 197.44 × 197.44
  4. Step 4: Simplify right side
    131.63x = 38,981.57
  5. Step 5: Solve for x
    x = 38,981.57/131.63
  6. Step 6: Final answer
    x = 296.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.