Home / 121,617-181,926

Finding the Third Proportional to 121,617 and 181,926

Calculator

Solution

The third proportional to 121,617 and 181,926 is: 272,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,617 : 181,926 = 181,926 : x
  2. Step 2: Convert to fraction form
    121,617/181,926 = 181,926/x
  3. Step 3: Cross multiply
    121,617x = 181,926 × 181,926
  4. Step 4: Simplify right side
    121,617x = 33,097,069,476
  5. Step 5: Solve for x
    x = 33,097,069,476/121,617
  6. Step 6: Final answer
    x = 272,141.80

Related Problems

Find third proportional to 60,808.50 and 90,963
Half scale
Find third proportional to 243,234 and 363,852
Double scale
Find third proportional to 121,619 and 181,929
Similar ratio
Find third proportional to 182,425.50 and 272,889
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.