Home / 226.31-257.06

Finding the Third Proportional to 226.31 and 257.06

Calculator

Solution

The third proportional to 226.31 and 257.06 is: 291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.31 : 257.06 = 257.06 : x
  2. Step 2: Convert to fraction form
    226.31/257.06 = 257.06/x
  3. Step 3: Cross multiply
    226.31x = 257.06 × 257.06
  4. Step 4: Simplify right side
    226.31x = 66,081.13
  5. Step 5: Solve for x
    x = 66,081.13/226.31
  6. Step 6: Final answer
    x = 291.99

Related Problems

Find third proportional to 113.16 and 128.53
Half scale
Find third proportional to 452.63 and 514.13
Double scale
Find third proportional to 228 and 259
Similar ratio
Find third proportional to 339.47 and 385.59
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.