Home / 39,080-84,085

Finding the Third Proportional to 39,080 and 84,085

Calculator

Solution

The third proportional to 39,080 and 84,085 is: 180,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080 : 84,085 = 84,085 : x
  2. Step 2: Convert to fraction form
    39,080/84,085 = 84,085/x
  3. Step 3: Cross multiply
    39,080x = 84,085 × 84,085
  4. Step 4: Simplify right side
    39,080x = 7,070,287,225
  5. Step 5: Solve for x
    x = 7,070,287,225/39,080
  6. Step 6: Final answer
    x = 180,918.30

Related Problems

Find third proportional to 19,540 and 42,042.50
Half scale
Find third proportional to 78,160 and 168,170
Double scale
Find third proportional to 39,082 and 84,089
Similar ratio
Find third proportional to 58,620 and 126,127.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.