Home / 253,572-394,899

Finding the Third Proportional to 253,572 and 394,899

Calculator

Solution

The third proportional to 253,572 and 394,899 is: 614,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,572 : 394,899 = 394,899 : x
  2. Step 2: Convert to fraction form
    253,572/394,899 = 394,899/x
  3. Step 3: Cross multiply
    253,572x = 394,899 × 394,899
  4. Step 4: Simplify right side
    253,572x = 155,945,220,201
  5. Step 5: Solve for x
    x = 155,945,220,201/253,572
  6. Step 6: Final answer
    x = 614,993.85

Related Problems

Find third proportional to 126,786 and 197,449.50
Half scale
Find third proportional to 507,144 and 789,798
Double scale
Find third proportional to 253,574 and 394,902
Similar ratio
Find third proportional to 380,358 and 592,348.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.