Home / 237,240-518,256

Finding the Third Proportional to 237,240 and 518,256

Calculator

Solution

The third proportional to 237,240 and 518,256 is: 1,132,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,240 : 518,256 = 518,256 : x
  2. Step 2: Convert to fraction form
    237,240/518,256 = 518,256/x
  3. Step 3: Cross multiply
    237,240x = 518,256 × 518,256
  4. Step 4: Simplify right side
    237,240x = 268,589,281,536
  5. Step 5: Solve for x
    x = 268,589,281,536/237,240
  6. Step 6: Final answer
    x = 1,132,141.64

Related Problems

Find third proportional to 118,620 and 259,128
Half scale
Find third proportional to 474,480 and 1,036,512
Double scale
Find third proportional to 237,242 and 518,260
Similar ratio
Find third proportional to 355,860 and 777,384
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.