Home / 357,228-486,486

Finding the Third Proportional to 357,228 and 486,486

Calculator

Solution

The third proportional to 357,228 and 486,486 is: 662,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,228 : 486,486 = 486,486 : x
  2. Step 2: Convert to fraction form
    357,228/486,486 = 486,486/x
  3. Step 3: Cross multiply
    357,228x = 486,486 × 486,486
  4. Step 4: Simplify right side
    357,228x = 236,668,628,196
  5. Step 5: Solve for x
    x = 236,668,628,196/357,228
  6. Step 6: Final answer
    x = 662,514.22

Related Problems

Find third proportional to 178,614 and 243,243
Half scale
Find third proportional to 714,456 and 972,972
Double scale
Find third proportional to 357,230 and 486,489
Similar ratio
Find third proportional to 535,842 and 729,729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.