Home / 121,990-184,687

Finding the Third Proportional to 121,990 and 184,687

Calculator

Solution

The third proportional to 121,990 and 184,687 is: 279,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,990 : 184,687 = 184,687 : x
  2. Step 2: Convert to fraction form
    121,990/184,687 = 184,687/x
  3. Step 3: Cross multiply
    121,990x = 184,687 × 184,687
  4. Step 4: Simplify right side
    121,990x = 34,109,287,969
  5. Step 5: Solve for x
    x = 34,109,287,969/121,990
  6. Step 6: Final answer
    x = 279,607.25

Related Problems

Find third proportional to 60,995 and 92,343.50
Half scale
Find third proportional to 243,980 and 369,374
Double scale
Find third proportional to 121,992 and 184,690
Similar ratio
Find third proportional to 182,985 and 277,030.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.