Home / 176.75-331.25

Finding the Third Proportional to 176.75 and 331.25

Calculator

Solution

The third proportional to 176.75 and 331.25 is: 620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.75 : 331.25 = 331.25 : x
  2. Step 2: Convert to fraction form
    176.75/331.25 = 331.25/x
  3. Step 3: Cross multiply
    176.75x = 331.25 × 331.25
  4. Step 4: Simplify right side
    176.75x = 109,726.56
  5. Step 5: Solve for x
    x = 109,726.56/176.75
  6. Step 6: Final answer
    x = 620.80

Related Problems

Find third proportional to 88.38 and 165.63
Half scale
Find third proportional to 353.50 and 662.50
Double scale
Find third proportional to 179 and 335
Similar ratio
Find third proportional to 265.13 and 496.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.