Home / 181,008-390,069

Finding the Third Proportional to 181,008 and 390,069

Calculator

Solution

The third proportional to 181,008 and 390,069 is: 840,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,008 : 390,069 = 390,069 : x
  2. Step 2: Convert to fraction form
    181,008/390,069 = 390,069/x
  3. Step 3: Cross multiply
    181,008x = 390,069 × 390,069
  4. Step 4: Simplify right side
    181,008x = 152,153,824,761
  5. Step 5: Solve for x
    x = 152,153,824,761/181,008
  6. Step 6: Final answer
    x = 840,591.71

Related Problems

Find third proportional to 90,504 and 195,034.50
Half scale
Find third proportional to 362,016 and 780,138
Double scale
Find third proportional to 181,010 and 390,073
Similar ratio
Find third proportional to 271,512 and 585,103.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.