Home / 121,214-264,458

Finding the Third Proportional to 121,214 and 264,458

Calculator

Solution

The third proportional to 121,214 and 264,458 is: 576,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214 : 264,458 = 264,458 : x
  2. Step 2: Convert to fraction form
    121,214/264,458 = 264,458/x
  3. Step 3: Cross multiply
    121,214x = 264,458 × 264,458
  4. Step 4: Simplify right side
    121,214x = 69,938,033,764
  5. Step 5: Solve for x
    x = 69,938,033,764/121,214
  6. Step 6: Final answer
    x = 576,979.84

Related Problems

Find third proportional to 60,607 and 132,229
Half scale
Find third proportional to 242,428 and 528,916
Double scale
Find third proportional to 121,216 and 264,462
Similar ratio
Find third proportional to 181,821 and 396,687
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.