Home / 144,512-306,520

Finding the Third Proportional to 144,512 and 306,520

Calculator

Solution

The third proportional to 144,512 and 306,520 is: 650,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512 : 306,520 = 306,520 : x
  2. Step 2: Convert to fraction form
    144,512/306,520 = 306,520/x
  3. Step 3: Cross multiply
    144,512x = 306,520 × 306,520
  4. Step 4: Simplify right side
    144,512x = 93,954,510,400
  5. Step 5: Solve for x
    x = 93,954,510,400/144,512
  6. Step 6: Final answer
    x = 650,150.23

Related Problems

Find third proportional to 72,256 and 153,260
Half scale
Find third proportional to 289,024 and 613,040
Double scale
Find third proportional to 144,514 and 306,524
Similar ratio
Find third proportional to 216,768 and 459,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.