Home / 81,812-175,278

Finding the Third Proportional to 81,812 and 175,278

Calculator

Solution

The third proportional to 81,812 and 175,278 is: 375,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,812 : 175,278 = 175,278 : x
  2. Step 2: Convert to fraction form
    81,812/175,278 = 175,278/x
  3. Step 3: Cross multiply
    81,812x = 175,278 × 175,278
  4. Step 4: Simplify right side
    81,812x = 30,722,377,284
  5. Step 5: Solve for x
    x = 30,722,377,284/81,812
  6. Step 6: Final answer
    x = 375,524.10

Related Problems

Find third proportional to 40,906 and 87,639
Half scale
Find third proportional to 163,624 and 350,556
Double scale
Find third proportional to 81,814 and 175,282
Similar ratio
Find third proportional to 122,718 and 262,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.