Home / 117,240-252,255

Finding the Third Proportional to 117,240 and 252,255

Calculator

Solution

The third proportional to 117,240 and 252,255 is: 542,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,240 : 252,255 = 252,255 : x
  2. Step 2: Convert to fraction form
    117,240/252,255 = 252,255/x
  3. Step 3: Cross multiply
    117,240x = 252,255 × 252,255
  4. Step 4: Simplify right side
    117,240x = 63,632,585,025
  5. Step 5: Solve for x
    x = 63,632,585,025/117,240
  6. Step 6: Final answer
    x = 542,754.90

Related Problems

Find third proportional to 58,620 and 126,127.50
Half scale
Find third proportional to 234,480 and 504,510
Double scale
Find third proportional to 117,242 and 252,259
Similar ratio
Find third proportional to 175,860 and 378,382.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.