Home / 126,405-270,306

Finding the Third Proportional to 126,405 and 270,306

Calculator

Solution

The third proportional to 126,405 and 270,306 is: 578,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,405 : 270,306 = 270,306 : x
  2. Step 2: Convert to fraction form
    126,405/270,306 = 270,306/x
  3. Step 3: Cross multiply
    126,405x = 270,306 × 270,306
  4. Step 4: Simplify right side
    126,405x = 73,065,333,636
  5. Step 5: Solve for x
    x = 73,065,333,636/126,405
  6. Step 6: Final answer
    x = 578,025.66

Related Problems

Find third proportional to 63,202.50 and 135,153
Half scale
Find third proportional to 252,810 and 540,612
Double scale
Find third proportional to 126,407 and 270,310
Similar ratio
Find third proportional to 189,607.50 and 405,459
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.