Home / 15,620-35,818

Finding the Third Proportional to 15,620 and 35,818

Calculator

Solution

The third proportional to 15,620 and 35,818 is: 82,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620 : 35,818 = 35,818 : x
  2. Step 2: Convert to fraction form
    15,620/35,818 = 35,818/x
  3. Step 3: Cross multiply
    15,620x = 35,818 × 35,818
  4. Step 4: Simplify right side
    15,620x = 1,282,929,124
  5. Step 5: Solve for x
    x = 1,282,929,124/15,620
  6. Step 6: Final answer
    x = 82,133.75

Related Problems

Find third proportional to 7,810 and 17,909
Half scale
Find third proportional to 31,240 and 71,636
Double scale
Find third proportional to 15,622 and 35,823
Similar ratio
Find third proportional to 23,430 and 53,727
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.