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Finding the Third Proportional to 164.75 and 372.50

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Solution

The third proportional to 164.75 and 372.50 is: 842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.75 : 372.50 = 372.50 : x
  2. Step 2: Convert to fraction form
    164.75/372.50 = 372.50/x
  3. Step 3: Cross multiply
    164.75x = 372.50 × 372.50
  4. Step 4: Simplify right side
    164.75x = 138,756.25
  5. Step 5: Solve for x
    x = 138,756.25/164.75
  6. Step 6: Final answer
    x = 842.22

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.