Home / 121,119-265,566

Finding the Third Proportional to 121,119 and 265,566

Calculator

Solution

The third proportional to 121,119 and 265,566 is: 582,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119 : 265,566 = 265,566 : x
  2. Step 2: Convert to fraction form
    121,119/265,566 = 265,566/x
  3. Step 3: Cross multiply
    121,119x = 265,566 × 265,566
  4. Step 4: Simplify right side
    121,119x = 70,525,300,356
  5. Step 5: Solve for x
    x = 70,525,300,356/121,119
  6. Step 6: Final answer
    x = 582,281.07

Related Problems

Find third proportional to 60,559.50 and 132,783
Half scale
Find third proportional to 242,238 and 531,132
Double scale
Find third proportional to 121,121 and 265,570
Similar ratio
Find third proportional to 181,678.50 and 398,349
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.