Home / 121,398-262,764

Finding the Third Proportional to 121,398 and 262,764

Calculator

Solution

The third proportional to 121,398 and 262,764 is: 568,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,398 : 262,764 = 262,764 : x
  2. Step 2: Convert to fraction form
    121,398/262,764 = 262,764/x
  3. Step 3: Cross multiply
    121,398x = 262,764 × 262,764
  4. Step 4: Simplify right side
    121,398x = 69,044,919,696
  5. Step 5: Solve for x
    x = 69,044,919,696/121,398
  6. Step 6: Final answer
    x = 568,748.41

Related Problems

Find third proportional to 60,699 and 131,382
Half scale
Find third proportional to 242,796 and 525,528
Double scale
Find third proportional to 121,400 and 262,768
Similar ratio
Find third proportional to 182,097 and 394,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.