Home / 81,905-175,195

Finding the Third Proportional to 81,905 and 175,195

Calculator

Solution

The third proportional to 81,905 and 175,195 is: 374,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,905 : 175,195 = 175,195 : x
  2. Step 2: Convert to fraction form
    81,905/175,195 = 175,195/x
  3. Step 3: Cross multiply
    81,905x = 175,195 × 175,195
  4. Step 4: Simplify right side
    81,905x = 30,693,288,025
  5. Step 5: Solve for x
    x = 30,693,288,025/81,905
  6. Step 6: Final answer
    x = 374,742.54

Related Problems

Find third proportional to 40,952.50 and 87,597.50
Half scale
Find third proportional to 163,810 and 350,390
Double scale
Find third proportional to 81,907 and 175,199
Similar ratio
Find third proportional to 122,857.50 and 262,792.50
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.