Home / 109,211-239,836

Finding the Third Proportional to 109,211 and 239,836

Calculator

Solution

The third proportional to 109,211 and 239,836 is: 526,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211 : 239,836 = 239,836 : x
  2. Step 2: Convert to fraction form
    109,211/239,836 = 239,836/x
  3. Step 3: Cross multiply
    109,211x = 239,836 × 239,836
  4. Step 4: Simplify right side
    109,211x = 57,521,306,896
  5. Step 5: Solve for x
    x = 57,521,306,896/109,211
  6. Step 6: Final answer
    x = 526,698.84

Related Problems

Find third proportional to 54,605.50 and 119,918
Half scale
Find third proportional to 218,422 and 479,672
Double scale
Find third proportional to 109,213 and 239,840
Similar ratio
Find third proportional to 163,816.50 and 359,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.