Home / 121,531-163,604

Finding the Third Proportional to 121,531 and 163,604

Calculator

Solution

The third proportional to 121,531 and 163,604 is: 220,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,531 : 163,604 = 163,604 : x
  2. Step 2: Convert to fraction form
    121,531/163,604 = 163,604/x
  3. Step 3: Cross multiply
    121,531x = 163,604 × 163,604
  4. Step 4: Simplify right side
    121,531x = 26,766,268,816
  5. Step 5: Solve for x
    x = 26,766,268,816/121,531
  6. Step 6: Final answer
    x = 220,242.32

Related Problems

Find third proportional to 60,765.50 and 81,802
Half scale
Find third proportional to 243,062 and 327,208
Double scale
Find third proportional to 121,533 and 163,607
Similar ratio
Find third proportional to 182,296.50 and 245,406
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.