Home / 144,572-313,278

Finding the Third Proportional to 144,572 and 313,278

Calculator

Solution

The third proportional to 144,572 and 313,278 is: 678,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,572 : 313,278 = 313,278 : x
  2. Step 2: Convert to fraction form
    144,572/313,278 = 313,278/x
  3. Step 3: Cross multiply
    144,572x = 313,278 × 313,278
  4. Step 4: Simplify right side
    144,572x = 98,143,105,284
  5. Step 5: Solve for x
    x = 98,143,105,284/144,572
  6. Step 6: Final answer
    x = 678,852.79

Related Problems

Find third proportional to 72,286 and 156,639
Half scale
Find third proportional to 289,144 and 626,556
Double scale
Find third proportional to 144,574 and 313,282
Similar ratio
Find third proportional to 216,858 and 469,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.