Home / 68,049-136,371

Finding the Third Proportional to 68,049 and 136,371

Calculator

Solution

The third proportional to 68,049 and 136,371 is: 273,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049 : 136,371 = 136,371 : x
  2. Step 2: Convert to fraction form
    68,049/136,371 = 136,371/x
  3. Step 3: Cross multiply
    68,049x = 136,371 × 136,371
  4. Step 4: Simplify right side
    68,049x = 18,597,049,641
  5. Step 5: Solve for x
    x = 18,597,049,641/68,049
  6. Step 6: Final answer
    x = 273,289.10

Related Problems

Find third proportional to 34,024.50 and 68,185.50
Half scale
Find third proportional to 136,098 and 272,742
Double scale
Find third proportional to 68,051 and 136,375
Similar ratio
Find third proportional to 102,073.50 and 204,556.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.