Home / 31,450-68,356

Finding the Third Proportional to 31,450 and 68,356

Calculator

Solution

The third proportional to 31,450 and 68,356 is: 148,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450 : 68,356 = 68,356 : x
  2. Step 2: Convert to fraction form
    31,450/68,356 = 68,356/x
  3. Step 3: Cross multiply
    31,450x = 68,356 × 68,356
  4. Step 4: Simplify right side
    31,450x = 4,672,542,736
  5. Step 5: Solve for x
    x = 4,672,542,736/31,450
  6. Step 6: Final answer
    x = 148,570.52

Related Problems

Find third proportional to 15,725 and 34,178
Half scale
Find third proportional to 62,900 and 136,712
Double scale
Find third proportional to 31,452 and 68,360
Similar ratio
Find third proportional to 47,175 and 102,534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.