Home / 394,388-591,390

Finding the Third Proportional to 394,388 and 591,390

Calculator

Solution

The third proportional to 394,388 and 591,390 is: 886,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,388 : 591,390 = 591,390 : x
  2. Step 2: Convert to fraction form
    394,388/591,390 = 591,390/x
  3. Step 3: Cross multiply
    394,388x = 591,390 × 591,390
  4. Step 4: Simplify right side
    394,388x = 349,742,132,100
  5. Step 5: Solve for x
    x = 349,742,132,100/394,388
  6. Step 6: Final answer
    x = 886,797.09

Related Problems

Find third proportional to 197,194 and 295,695
Half scale
Find third proportional to 788,776 and 1,182,780
Double scale
Find third proportional to 394,390 and 591,393
Similar ratio
Find third proportional to 591,582 and 887,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.