Home / 15,874-34,420

Finding the Third Proportional to 15,874 and 34,420

Calculator

Solution

The third proportional to 15,874 and 34,420 is: 74,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874 : 34,420 = 34,420 : x
  2. Step 2: Convert to fraction form
    15,874/34,420 = 34,420/x
  3. Step 3: Cross multiply
    15,874x = 34,420 × 34,420
  4. Step 4: Simplify right side
    15,874x = 1,184,736,400
  5. Step 5: Solve for x
    x = 1,184,736,400/15,874
  6. Step 6: Final answer
    x = 74,633.77

Related Problems

Find third proportional to 7,937 and 17,210
Half scale
Find third proportional to 31,748 and 68,840
Double scale
Find third proportional to 15,876 and 34,424
Similar ratio
Find third proportional to 23,811 and 51,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.