Home / 398,340-597,942

Finding the Third Proportional to 398,340 and 597,942

Calculator

Solution

The third proportional to 398,340 and 597,942 is: 897,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,340 : 597,942 = 597,942 : x
  2. Step 2: Convert to fraction form
    398,340/597,942 = 597,942/x
  3. Step 3: Cross multiply
    398,340x = 597,942 × 597,942
  4. Step 4: Simplify right side
    398,340x = 357,534,635,364
  5. Step 5: Solve for x
    x = 357,534,635,364/398,340
  6. Step 6: Final answer
    x = 897,561.47

Related Problems

Find third proportional to 199,170 and 298,971
Half scale
Find third proportional to 796,680 and 1,195,884
Double scale
Find third proportional to 398,342 and 597,945
Similar ratio
Find third proportional to 597,510 and 896,913
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.