Home / 133,392-206,400

Finding the Third Proportional to 133,392 and 206,400

Calculator

Solution

The third proportional to 133,392 and 206,400 is: 319,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392 : 206,400 = 206,400 : x
  2. Step 2: Convert to fraction form
    133,392/206,400 = 206,400/x
  3. Step 3: Cross multiply
    133,392x = 206,400 × 206,400
  4. Step 4: Simplify right side
    133,392x = 42,600,960,000
  5. Step 5: Solve for x
    x = 42,600,960,000/133,392
  6. Step 6: Final answer
    x = 319,366.68

Related Problems

Find third proportional to 66,696 and 103,200
Half scale
Find third proportional to 266,784 and 412,800
Double scale
Find third proportional to 133,394 and 206,403
Similar ratio
Find third proportional to 200,088 and 309,600
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.