Home / 69,396-135,336

Finding the Third Proportional to 69,396 and 135,336

Calculator

Solution

The third proportional to 69,396 and 135,336 is: 263,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,396 : 135,336 = 135,336 : x
  2. Step 2: Convert to fraction form
    69,396/135,336 = 135,336/x
  3. Step 3: Cross multiply
    69,396x = 135,336 × 135,336
  4. Step 4: Simplify right side
    69,396x = 18,315,832,896
  5. Step 5: Solve for x
    x = 18,315,832,896/69,396
  6. Step 6: Final answer
    x = 263,932.11

Related Problems

Find third proportional to 34,698 and 67,668
Half scale
Find third proportional to 138,792 and 270,672
Double scale
Find third proportional to 69,398 and 135,340
Similar ratio
Find third proportional to 104,094 and 203,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.