Home / 363.38-407.25

Finding the Third Proportional to 363.38 and 407.25

Calculator

Solution

The third proportional to 363.38 and 407.25 is: 456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.38 : 407.25 = 407.25 : x
  2. Step 2: Convert to fraction form
    363.38/407.25 = 407.25/x
  3. Step 3: Cross multiply
    363.38x = 407.25 × 407.25
  4. Step 4: Simplify right side
    363.38x = 165,852.56
  5. Step 5: Solve for x
    x = 165,852.56/363.38
  6. Step 6: Final answer
    x = 456.42

Related Problems

Find third proportional to 181.69 and 203.63
Half scale
Find third proportional to 726.75 and 814.50
Double scale
Find third proportional to 365 and 409
Similar ratio
Find third proportional to 545.06 and 610.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.