Home / 81,818-179,251

Finding the Third Proportional to 81,818 and 179,251

Calculator

Solution

The third proportional to 81,818 and 179,251 is: 392,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,818 : 179,251 = 179,251 : x
  2. Step 2: Convert to fraction form
    81,818/179,251 = 179,251/x
  3. Step 3: Cross multiply
    81,818x = 179,251 × 179,251
  4. Step 4: Simplify right side
    81,818x = 32,130,921,001
  5. Step 5: Solve for x
    x = 32,130,921,001/81,818
  6. Step 6: Final answer
    x = 392,712.13

Related Problems

Find third proportional to 40,909 and 89,625.50
Half scale
Find third proportional to 163,636 and 358,502
Double scale
Find third proportional to 81,820 and 179,255
Similar ratio
Find third proportional to 122,727 and 268,876.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.