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Finding the Third Proportional to 196 and 362.50

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Solution

The third proportional to 196 and 362.50 is: 670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196 : 362.50 = 362.50 : x
  2. Step 2: Convert to fraction form
    196/362.50 = 362.50/x
  3. Step 3: Cross multiply
    196x = 362.50 × 362.50
  4. Step 4: Simplify right side
    196x = 131,406.25
  5. Step 5: Solve for x
    x = 131,406.25/196
  6. Step 6: Final answer
    x = 670.44

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.