Home / 121,066-256,550

Finding the Third Proportional to 121,066 and 256,550

Calculator

Solution

The third proportional to 121,066 and 256,550 is: 543,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,066 : 256,550 = 256,550 : x
  2. Step 2: Convert to fraction form
    121,066/256,550 = 256,550/x
  3. Step 3: Cross multiply
    121,066x = 256,550 × 256,550
  4. Step 4: Simplify right side
    121,066x = 65,817,902,500
  5. Step 5: Solve for x
    x = 65,817,902,500/121,066
  6. Step 6: Final answer
    x = 543,653.07

Related Problems

Find third proportional to 60,533 and 128,275
Half scale
Find third proportional to 242,132 and 513,100
Double scale
Find third proportional to 121,068 and 256,554
Similar ratio
Find third proportional to 181,599 and 384,825
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.