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Finding the Third Proportional to 197.25 and 437.50

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Solution

The third proportional to 197.25 and 437.50 is: 970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.25 : 437.50 = 437.50 : x
  2. Step 2: Convert to fraction form
    197.25/437.50 = 437.50/x
  3. Step 3: Cross multiply
    197.25x = 437.50 × 437.50
  4. Step 4: Simplify right side
    197.25x = 191,406.25
  5. Step 5: Solve for x
    x = 191,406.25/197.25
  6. Step 6: Final answer
    x = 970.37

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.