Home / 133,772-207,355

Finding the Third Proportional to 133,772 and 207,355

Calculator

Solution

The third proportional to 133,772 and 207,355 is: 321,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,772 : 207,355 = 207,355 : x
  2. Step 2: Convert to fraction form
    133,772/207,355 = 207,355/x
  3. Step 3: Cross multiply
    133,772x = 207,355 × 207,355
  4. Step 4: Simplify right side
    133,772x = 42,996,096,025
  5. Step 5: Solve for x
    x = 42,996,096,025/133,772
  6. Step 6: Final answer
    x = 321,413.27

Related Problems

Find third proportional to 66,886 and 103,677.50
Half scale
Find third proportional to 267,544 and 414,710
Double scale
Find third proportional to 133,774 and 207,358
Similar ratio
Find third proportional to 200,658 and 311,032.50
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.