Home / 133,696-278,418

Finding the Third Proportional to 133,696 and 278,418

Calculator

Solution

The third proportional to 133,696 and 278,418 is: 579,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,696 : 278,418 = 278,418 : x
  2. Step 2: Convert to fraction form
    133,696/278,418 = 278,418/x
  3. Step 3: Cross multiply
    133,696x = 278,418 × 278,418
  4. Step 4: Simplify right side
    133,696x = 77,516,582,724
  5. Step 5: Solve for x
    x = 77,516,582,724/133,696
  6. Step 6: Final answer
    x = 579,797.32

Related Problems

Find third proportional to 66,848 and 139,209
Half scale
Find third proportional to 267,392 and 556,836
Double scale
Find third proportional to 133,698 and 278,422
Similar ratio
Find third proportional to 200,544 and 417,627
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.