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Finding the Third Proportional to 164 and 403.75

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Solution

The third proportional to 164 and 403.75 is: 993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 403.75 = 403.75 : x
  2. Step 2: Convert to fraction form
    164/403.75 = 403.75/x
  3. Step 3: Cross multiply
    164x = 403.75 × 403.75
  4. Step 4: Simplify right side
    164x = 163,014.06
  5. Step 5: Solve for x
    x = 163,014.06/164
  6. Step 6: Final answer
    x = 993.99

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Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.