Home / 39,620-84,328

Finding the Third Proportional to 39,620 and 84,328

Calculator

Solution

The third proportional to 39,620 and 84,328 is: 179,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620 : 84,328 = 84,328 : x
  2. Step 2: Convert to fraction form
    39,620/84,328 = 84,328/x
  3. Step 3: Cross multiply
    39,620x = 84,328 × 84,328
  4. Step 4: Simplify right side
    39,620x = 7,111,211,584
  5. Step 5: Solve for x
    x = 7,111,211,584/39,620
  6. Step 6: Final answer
    x = 179,485.40

Related Problems

Find third proportional to 19,810 and 42,164
Half scale
Find third proportional to 79,240 and 168,656
Double scale
Find third proportional to 39,622 and 84,332
Similar ratio
Find third proportional to 59,430 and 126,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.