Home / 133,980-291,208

Finding the Third Proportional to 133,980 and 291,208

Calculator

Solution

The third proportional to 133,980 and 291,208 is: 632,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980 : 291,208 = 291,208 : x
  2. Step 2: Convert to fraction form
    133,980/291,208 = 291,208/x
  3. Step 3: Cross multiply
    133,980x = 291,208 × 291,208
  4. Step 4: Simplify right side
    133,980x = 84,802,099,264
  5. Step 5: Solve for x
    x = 84,802,099,264/133,980
  6. Step 6: Final answer
    x = 632,945.96

Related Problems

Find third proportional to 66,990 and 145,604
Half scale
Find third proportional to 267,960 and 582,416
Double scale
Find third proportional to 133,982 and 291,212
Similar ratio
Find third proportional to 200,970 and 436,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.