Home / 305,694-407,700

Finding the Third Proportional to 305,694 and 407,700

Calculator

Solution

The third proportional to 305,694 and 407,700 is: 543,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,694 : 407,700 = 407,700 : x
  2. Step 2: Convert to fraction form
    305,694/407,700 = 407,700/x
  3. Step 3: Cross multiply
    305,694x = 407,700 × 407,700
  4. Step 4: Simplify right side
    305,694x = 166,219,290,000
  5. Step 5: Solve for x
    x = 166,219,290,000/305,694
  6. Step 6: Final answer
    x = 543,744.04

Related Problems

Find third proportional to 152,847 and 203,850
Half scale
Find third proportional to 611,388 and 815,400
Double scale
Find third proportional to 305,696 and 407,703
Similar ratio
Find third proportional to 458,541 and 611,550
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.