Home / 357,256-485,164

Finding the Third Proportional to 357,256 and 485,164

Calculator

Solution

The third proportional to 357,256 and 485,164 is: 658,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,256 : 485,164 = 485,164 : x
  2. Step 2: Convert to fraction form
    357,256/485,164 = 485,164/x
  3. Step 3: Cross multiply
    357,256x = 485,164 × 485,164
  4. Step 4: Simplify right side
    357,256x = 235,384,106,896
  5. Step 5: Solve for x
    x = 235,384,106,896/357,256
  6. Step 6: Final answer
    x = 658,866.77

Related Problems

Find third proportional to 178,628 and 242,582
Half scale
Find third proportional to 714,512 and 970,328
Double scale
Find third proportional to 357,258 and 485,167
Similar ratio
Find third proportional to 535,884 and 727,746
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.