Home / 144,880-212,984

Finding the Third Proportional to 144,880 and 212,984

Calculator

Solution

The third proportional to 144,880 and 212,984 is: 313,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880 : 212,984 = 212,984 : x
  2. Step 2: Convert to fraction form
    144,880/212,984 = 212,984/x
  3. Step 3: Cross multiply
    144,880x = 212,984 × 212,984
  4. Step 4: Simplify right side
    144,880x = 45,362,184,256
  5. Step 5: Solve for x
    x = 45,362,184,256/144,880
  6. Step 6: Final answer
    x = 313,101.77

Related Problems

Find third proportional to 72,440 and 106,492
Half scale
Find third proportional to 289,760 and 425,968
Double scale
Find third proportional to 144,882 and 212,987
Similar ratio
Find third proportional to 217,320 and 319,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.