Home / 441.28-665.30

Finding the Third Proportional to 441.28 and 665.30

Calculator

Solution

The third proportional to 441.28 and 665.30 is: 1,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.28 : 665.30 = 665.30 : x
  2. Step 2: Convert to fraction form
    441.28/665.30 = 665.30/x
  3. Step 3: Cross multiply
    441.28x = 665.30 × 665.30
  4. Step 4: Simplify right side
    441.28x = 442,619.93
  5. Step 5: Solve for x
    x = 442,619.93/441.28
  6. Step 6: Final answer
    x = 1,003.03

Related Problems

Find third proportional to 220.64 and 332.65
Half scale
Find third proportional to 882.56 and 1,330.59
Double scale
Find third proportional to 443 and 668
Similar ratio
Find third proportional to 661.92 and 997.95
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.