Home / 121,372-262,616

Finding the Third Proportional to 121,372 and 262,616

Calculator

Solution

The third proportional to 121,372 and 262,616 is: 568,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,372 : 262,616 = 262,616 : x
  2. Step 2: Convert to fraction form
    121,372/262,616 = 262,616/x
  3. Step 3: Cross multiply
    121,372x = 262,616 × 262,616
  4. Step 4: Simplify right side
    121,372x = 68,967,163,456
  5. Step 5: Solve for x
    x = 68,967,163,456/121,372
  6. Step 6: Final answer
    x = 568,229.60

Related Problems

Find third proportional to 60,686 and 131,308
Half scale
Find third proportional to 242,744 and 525,232
Double scale
Find third proportional to 121,374 and 262,620
Similar ratio
Find third proportional to 182,058 and 393,924
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.