Home / 179,976-275,418

Finding the Third Proportional to 179,976 and 275,418

Calculator

Solution

The third proportional to 179,976 and 275,418 is: 421,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,976 : 275,418 = 275,418 : x
  2. Step 2: Convert to fraction form
    179,976/275,418 = 275,418/x
  3. Step 3: Cross multiply
    179,976x = 275,418 × 275,418
  4. Step 4: Simplify right side
    179,976x = 75,855,074,724
  5. Step 5: Solve for x
    x = 75,855,074,724/179,976
  6. Step 6: Final answer
    x = 421,473.28

Related Problems

Find third proportional to 89,988 and 137,709
Half scale
Find third proportional to 359,952 and 550,836
Double scale
Find third proportional to 179,978 and 275,421
Similar ratio
Find third proportional to 269,964 and 413,127
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.