Home / 39,792-57,212

Finding the Third Proportional to 39,792 and 57,212

Calculator

Solution

The third proportional to 39,792 and 57,212 is: 82,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792 : 57,212 = 57,212 : x
  2. Step 2: Convert to fraction form
    39,792/57,212 = 57,212/x
  3. Step 3: Cross multiply
    39,792x = 57,212 × 57,212
  4. Step 4: Simplify right side
    39,792x = 3,273,212,944
  5. Step 5: Solve for x
    x = 3,273,212,944/39,792
  6. Step 6: Final answer
    x = 82,258.07

Related Problems

Find third proportional to 19,896 and 28,606
Half scale
Find third proportional to 79,584 and 114,424
Double scale
Find third proportional to 39,794 and 57,215
Similar ratio
Find third proportional to 59,688 and 85,818
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.