Home / 133,790-207,273

Finding the Third Proportional to 133,790 and 207,273

Calculator

Solution

The third proportional to 133,790 and 207,273 is: 321,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,790 : 207,273 = 207,273 : x
  2. Step 2: Convert to fraction form
    133,790/207,273 = 207,273/x
  3. Step 3: Cross multiply
    133,790x = 207,273 × 207,273
  4. Step 4: Simplify right side
    133,790x = 42,962,096,529
  5. Step 5: Solve for x
    x = 42,962,096,529/133,790
  6. Step 6: Final answer
    x = 321,115.90

Related Problems

Find third proportional to 66,895 and 103,636.50
Half scale
Find third proportional to 267,580 and 414,546
Double scale
Find third proportional to 133,792 and 207,276
Similar ratio
Find third proportional to 200,685 and 310,909.50
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.