Home / 133,980-207,360

Finding the Third Proportional to 133,980 and 207,360

Calculator

Solution

The third proportional to 133,980 and 207,360 is: 320,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980 : 207,360 = 207,360 : x
  2. Step 2: Convert to fraction form
    133,980/207,360 = 207,360/x
  3. Step 3: Cross multiply
    133,980x = 207,360 × 207,360
  4. Step 4: Simplify right side
    133,980x = 42,998,169,600
  5. Step 5: Solve for x
    x = 42,998,169,600/133,980
  6. Step 6: Final answer
    x = 320,929.76

Related Problems

Find third proportional to 66,990 and 103,680
Half scale
Find third proportional to 267,960 and 414,720
Double scale
Find third proportional to 133,982 and 207,363
Similar ratio
Find third proportional to 200,970 and 311,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.