Home / 288,480-629,448

Finding the Third Proportional to 288,480 and 629,448

Calculator

Solution

The third proportional to 288,480 and 629,448 is: 1,373,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,480 : 629,448 = 629,448 : x
  2. Step 2: Convert to fraction form
    288,480/629,448 = 629,448/x
  3. Step 3: Cross multiply
    288,480x = 629,448 × 629,448
  4. Step 4: Simplify right side
    288,480x = 396,204,784,704
  5. Step 5: Solve for x
    x = 396,204,784,704/288,480
  6. Step 6: Final answer
    x = 1,373,422.02

Related Problems

Find third proportional to 144,240 and 314,724
Half scale
Find third proportional to 576,960 and 1,258,896
Double scale
Find third proportional to 288,482 and 629,452
Similar ratio
Find third proportional to 432,720 and 944,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.