Home / 228,360-505,680

Finding the Third Proportional to 228,360 and 505,680

Calculator

Solution

The third proportional to 228,360 and 505,680 is: 1,119,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,360 : 505,680 = 505,680 : x
  2. Step 2: Convert to fraction form
    228,360/505,680 = 505,680/x
  3. Step 3: Cross multiply
    228,360x = 505,680 × 505,680
  4. Step 4: Simplify right side
    228,360x = 255,712,262,400
  5. Step 5: Solve for x
    x = 255,712,262,400/228,360
  6. Step 6: Final answer
    x = 1,119,776.94

Related Problems

Find third proportional to 114,180 and 252,840
Half scale
Find third proportional to 456,720 and 1,011,360
Double scale
Find third proportional to 228,362 and 505,684
Similar ratio
Find third proportional to 342,540 and 758,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.