Home / 257,948-394,334

Finding the Third Proportional to 257,948 and 394,334

Calculator

Solution

The third proportional to 257,948 and 394,334 is: 602,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,948 : 394,334 = 394,334 : x
  2. Step 2: Convert to fraction form
    257,948/394,334 = 394,334/x
  3. Step 3: Cross multiply
    257,948x = 394,334 × 394,334
  4. Step 4: Simplify right side
    257,948x = 155,499,303,556
  5. Step 5: Solve for x
    x = 155,499,303,556/257,948
  6. Step 6: Final answer
    x = 602,831.98

Related Problems

Find third proportional to 128,974 and 197,167
Half scale
Find third proportional to 515,896 and 788,668
Double scale
Find third proportional to 257,950 and 394,337
Similar ratio
Find third proportional to 386,922 and 591,501
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.