Home / 121,296-173,686

Finding the Third Proportional to 121,296 and 173,686

Calculator

Solution

The third proportional to 121,296 and 173,686 is: 248,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,296 : 173,686 = 173,686 : x
  2. Step 2: Convert to fraction form
    121,296/173,686 = 173,686/x
  3. Step 3: Cross multiply
    121,296x = 173,686 × 173,686
  4. Step 4: Simplify right side
    121,296x = 30,166,826,596
  5. Step 5: Solve for x
    x = 30,166,826,596/121,296
  6. Step 6: Final answer
    x = 248,704.22

Related Problems

Find third proportional to 60,648 and 86,843
Half scale
Find third proportional to 242,592 and 347,372
Double scale
Find third proportional to 121,298 and 173,689
Similar ratio
Find third proportional to 181,944 and 260,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.