Home / 255,622.50-395,401.50

Finding the Third Proportional to 255,622.50 and 395,401.50

Calculator

Solution

The third proportional to 255,622.50 and 395,401.50 is: 611,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,622.50 : 395,401.50 = 395,401.50 : x
  2. Step 2: Convert to fraction form
    255,622.50/395,401.50 = 395,401.50/x
  3. Step 3: Cross multiply
    255,622.50x = 395,401.50 × 395,401.50
  4. Step 4: Simplify right side
    255,622.50x = 156,342,346,202.25
  5. Step 5: Solve for x
    x = 156,342,346,202.25/255,622.50
  6. Step 6: Final answer
    x = 611,614.18

Related Problems

Find third proportional to 127,811.25 and 197,700.75
Half scale
Find third proportional to 511,245 and 790,803
Double scale
Find third proportional to 255,625 and 395,405
Similar ratio
Find third proportional to 383,433.75 and 593,102.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.