Home / 39,264-85,440

Finding the Third Proportional to 39,264 and 85,440

Calculator

Solution

The third proportional to 39,264 and 85,440 is: 185,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,264 : 85,440 = 85,440 : x
  2. Step 2: Convert to fraction form
    39,264/85,440 = 85,440/x
  3. Step 3: Cross multiply
    39,264x = 85,440 × 85,440
  4. Step 4: Simplify right side
    39,264x = 7,299,993,600
  5. Step 5: Solve for x
    x = 7,299,993,600/39,264
  6. Step 6: Final answer
    x = 185,920.78

Related Problems

Find third proportional to 19,632 and 42,720
Half scale
Find third proportional to 78,528 and 170,880
Double scale
Find third proportional to 39,266 and 85,444
Similar ratio
Find third proportional to 58,896 and 128,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.