Home / 89,472-121,080

Finding the Third Proportional to 89,472 and 121,080

Calculator

Solution

The third proportional to 89,472 and 121,080 is: 163,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,472 : 121,080 = 121,080 : x
  2. Step 2: Convert to fraction form
    89,472/121,080 = 121,080/x
  3. Step 3: Cross multiply
    89,472x = 121,080 × 121,080
  4. Step 4: Simplify right side
    89,472x = 14,660,366,400
  5. Step 5: Solve for x
    x = 14,660,366,400/89,472
  6. Step 6: Final answer
    x = 163,854.24

Related Problems

Find third proportional to 44,736 and 60,540
Half scale
Find third proportional to 178,944 and 242,160
Double scale
Find third proportional to 89,474 and 121,083
Similar ratio
Find third proportional to 134,208 and 181,620
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.