Home / 130,961-282,790

Finding the Third Proportional to 130,961 and 282,790

Calculator

Solution

The third proportional to 130,961 and 282,790 is: 610,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,961 : 282,790 = 282,790 : x
  2. Step 2: Convert to fraction form
    130,961/282,790 = 282,790/x
  3. Step 3: Cross multiply
    130,961x = 282,790 × 282,790
  4. Step 4: Simplify right side
    130,961x = 79,970,184,100
  5. Step 5: Solve for x
    x = 79,970,184,100/130,961
  6. Step 6: Final answer
    x = 610,641.21

Related Problems

Find third proportional to 65,480.50 and 141,395
Half scale
Find third proportional to 261,922 and 565,580
Double scale
Find third proportional to 130,963 and 282,794
Similar ratio
Find third proportional to 196,441.50 and 424,185
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.