Home / 178,920-273,996

Finding the Third Proportional to 178,920 and 273,996

Calculator

Solution

The third proportional to 178,920 and 273,996 is: 419,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920 : 273,996 = 273,996 : x
  2. Step 2: Convert to fraction form
    178,920/273,996 = 273,996/x
  3. Step 3: Cross multiply
    178,920x = 273,996 × 273,996
  4. Step 4: Simplify right side
    178,920x = 75,073,808,016
  5. Step 5: Solve for x
    x = 75,073,808,016/178,920
  6. Step 6: Final answer
    x = 419,594.28

Related Problems

Find third proportional to 89,460 and 136,998
Half scale
Find third proportional to 357,840 and 547,992
Double scale
Find third proportional to 178,922 and 273,999
Similar ratio
Find third proportional to 268,380 and 410,994
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.