Home / 202,320-291,448

Finding the Third Proportional to 202,320 and 291,448

Calculator

Solution

The third proportional to 202,320 and 291,448 is: 419,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320 : 291,448 = 291,448 : x
  2. Step 2: Convert to fraction form
    202,320/291,448 = 291,448/x
  3. Step 3: Cross multiply
    202,320x = 291,448 × 291,448
  4. Step 4: Simplify right side
    202,320x = 84,941,936,704
  5. Step 5: Solve for x
    x = 84,941,936,704/202,320
  6. Step 6: Final answer
    x = 419,839.54

Related Problems

Find third proportional to 101,160 and 145,724
Half scale
Find third proportional to 404,640 and 582,896
Double scale
Find third proportional to 202,322 and 291,451
Similar ratio
Find third proportional to 303,480 and 437,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.