Home / 121,632-267,240

Finding the Third Proportional to 121,632 and 267,240

Calculator

Solution

The third proportional to 121,632 and 267,240 is: 587,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,632 : 267,240 = 267,240 : x
  2. Step 2: Convert to fraction form
    121,632/267,240 = 267,240/x
  3. Step 3: Cross multiply
    121,632x = 267,240 × 267,240
  4. Step 4: Simplify right side
    121,632x = 71,417,217,600
  5. Step 5: Solve for x
    x = 71,417,217,600/121,632
  6. Step 6: Final answer
    x = 587,158.13

Related Problems

Find third proportional to 60,816 and 133,620
Half scale
Find third proportional to 243,264 and 534,480
Double scale
Find third proportional to 121,634 and 267,244
Similar ratio
Find third proportional to 182,448 and 400,860
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.