Home / 241.88-340.31

Finding the Third Proportional to 241.88 and 340.31

Calculator

Solution

The third proportional to 241.88 and 340.31 is: 478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.88 : 340.31 = 340.31 : x
  2. Step 2: Convert to fraction form
    241.88/340.31 = 340.31/x
  3. Step 3: Cross multiply
    241.88x = 340.31 × 340.31
  4. Step 4: Simplify right side
    241.88x = 115,812.60
  5. Step 5: Solve for x
    x = 115,812.60/241.88
  6. Step 6: Final answer
    x = 478.81

Related Problems

Find third proportional to 120.94 and 170.16
Half scale
Find third proportional to 483.75 and 680.63
Double scale
Find third proportional to 244 and 343
Similar ratio
Find third proportional to 362.81 and 510.47
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.