Home / 27,820-61,862

Finding the Third Proportional to 27,820 and 61,862

Calculator

Solution

The third proportional to 27,820 and 61,862 is: 137,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820 : 61,862 = 61,862 : x
  2. Step 2: Convert to fraction form
    27,820/61,862 = 61,862/x
  3. Step 3: Cross multiply
    27,820x = 61,862 × 61,862
  4. Step 4: Simplify right side
    27,820x = 3,826,907,044
  5. Step 5: Solve for x
    x = 3,826,907,044/27,820
  6. Step 6: Final answer
    x = 137,559.56

Related Problems

Find third proportional to 13,910 and 30,931
Half scale
Find third proportional to 55,640 and 123,724
Double scale
Find third proportional to 27,822 and 61,866
Similar ratio
Find third proportional to 41,730 and 92,793
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.