Home / 290,652-394,506

Finding the Third Proportional to 290,652 and 394,506

Calculator

Solution

The third proportional to 290,652 and 394,506 is: 535,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,652 : 394,506 = 394,506 : x
  2. Step 2: Convert to fraction form
    290,652/394,506 = 394,506/x
  3. Step 3: Cross multiply
    290,652x = 394,506 × 394,506
  4. Step 4: Simplify right side
    290,652x = 155,634,984,036
  5. Step 5: Solve for x
    x = 155,634,984,036/290,652
  6. Step 6: Final answer
    x = 535,468.48

Related Problems

Find third proportional to 145,326 and 197,253
Half scale
Find third proportional to 581,304 and 789,012
Double scale
Find third proportional to 290,654 and 394,509
Similar ratio
Find third proportional to 435,978 and 591,759
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.