Home / 121,764-264,210

Finding the Third Proportional to 121,764 and 264,210

Calculator

Solution

The third proportional to 121,764 and 264,210 is: 573,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,764 : 264,210 = 264,210 : x
  2. Step 2: Convert to fraction form
    121,764/264,210 = 264,210/x
  3. Step 3: Cross multiply
    121,764x = 264,210 × 264,210
  4. Step 4: Simplify right side
    121,764x = 69,806,924,100
  5. Step 5: Solve for x
    x = 69,806,924,100/121,764
  6. Step 6: Final answer
    x = 573,296.90

Related Problems

Find third proportional to 60,882 and 132,105
Half scale
Find third proportional to 243,528 and 528,420
Double scale
Find third proportional to 121,766 and 264,214
Similar ratio
Find third proportional to 182,646 and 396,315
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.