Home / 121,294.13-189,324

Finding the Third Proportional to 121,294.13 and 189,324

Calculator

Solution

The third proportional to 121,294.13 and 189,324 is: 295,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.13 : 189,324 = 189,324 : x
  2. Step 2: Convert to fraction form
    121,294.13/189,324 = 189,324/x
  3. Step 3: Cross multiply
    121,294.13x = 189,324 × 189,324
  4. Step 4: Simplify right side
    121,294.13x = 35,843,576,976
  5. Step 5: Solve for x
    x = 35,843,576,976/121,294.13
  6. Step 6: Final answer
    x = 295,509.59

Related Problems

Find third proportional to 60,647.06 and 94,662
Half scale
Find third proportional to 242,588.25 and 378,648
Double scale
Find third proportional to 121,296 and 189,327
Similar ratio
Find third proportional to 181,941.19 and 283,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.