Home / 181,986-278,775

Finding the Third Proportional to 181,986 and 278,775

Calculator

Solution

The third proportional to 181,986 and 278,775 is: 427,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,986 : 278,775 = 278,775 : x
  2. Step 2: Convert to fraction form
    181,986/278,775 = 278,775/x
  3. Step 3: Cross multiply
    181,986x = 278,775 × 278,775
  4. Step 4: Simplify right side
    181,986x = 77,715,500,625
  5. Step 5: Solve for x
    x = 77,715,500,625/181,986
  6. Step 6: Final answer
    x = 427,041.09

Related Problems

Find third proportional to 90,993 and 139,387.50
Half scale
Find third proportional to 363,972 and 557,550
Double scale
Find third proportional to 181,988 and 278,778
Similar ratio
Find third proportional to 272,979 and 418,162.50
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.