Home / 119,278-161,418

Finding the Third Proportional to 119,278 and 161,418

Calculator

Solution

The third proportional to 119,278 and 161,418 is: 218,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278 : 161,418 = 161,418 : x
  2. Step 2: Convert to fraction form
    119,278/161,418 = 161,418/x
  3. Step 3: Cross multiply
    119,278x = 161,418 × 161,418
  4. Step 4: Simplify right side
    119,278x = 26,055,770,724
  5. Step 5: Solve for x
    x = 26,055,770,724/119,278
  6. Step 6: Final answer
    x = 218,445.74

Related Problems

Find third proportional to 59,639 and 80,709
Half scale
Find third proportional to 238,556 and 322,836
Double scale
Find third proportional to 119,280 and 161,421
Similar ratio
Find third proportional to 178,917 and 242,127
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.