Home / 121,218-264,466

Finding the Third Proportional to 121,218 and 264,466

Calculator

Solution

The third proportional to 121,218 and 264,466 is: 576,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,218 : 264,466 = 264,466 : x
  2. Step 2: Convert to fraction form
    121,218/264,466 = 264,466/x
  3. Step 3: Cross multiply
    121,218x = 264,466 × 264,466
  4. Step 4: Simplify right side
    121,218x = 69,942,265,156
  5. Step 5: Solve for x
    x = 69,942,265,156/121,218
  6. Step 6: Final answer
    x = 576,995.70

Related Problems

Find third proportional to 60,609 and 132,233
Half scale
Find third proportional to 242,436 and 528,932
Double scale
Find third proportional to 121,220 and 264,470
Similar ratio
Find third proportional to 181,827 and 396,699
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.