Home / 39,450-86,460

Finding the Third Proportional to 39,450 and 86,460

Calculator

Solution

The third proportional to 39,450 and 86,460 is: 189,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450 : 86,460 = 86,460 : x
  2. Step 2: Convert to fraction form
    39,450/86,460 = 86,460/x
  3. Step 3: Cross multiply
    39,450x = 86,460 × 86,460
  4. Step 4: Simplify right side
    39,450x = 7,475,331,600
  5. Step 5: Solve for x
    x = 7,475,331,600/39,450
  6. Step 6: Final answer
    x = 189,488.76

Related Problems

Find third proportional to 19,725 and 43,230
Half scale
Find third proportional to 78,900 and 172,920
Double scale
Find third proportional to 39,452 and 86,464
Similar ratio
Find third proportional to 59,175 and 129,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.