Home / 144,447-211,321

Finding the Third Proportional to 144,447 and 211,321

Calculator

Solution

The third proportional to 144,447 and 211,321 is: 309,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447 : 211,321 = 211,321 : x
  2. Step 2: Convert to fraction form
    144,447/211,321 = 211,321/x
  3. Step 3: Cross multiply
    144,447x = 211,321 × 211,321
  4. Step 4: Simplify right side
    144,447x = 44,656,565,041
  5. Step 5: Solve for x
    x = 44,656,565,041/144,447
  6. Step 6: Final answer
    x = 309,155.37

Related Problems

Find third proportional to 72,223.50 and 105,660.50
Half scale
Find third proportional to 288,894 and 422,642
Double scale
Find third proportional to 144,449 and 211,324
Similar ratio
Find third proportional to 216,670.50 and 316,981.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.