Home / 189,480-407,616

Finding the Third Proportional to 189,480 and 407,616

Calculator

Solution

The third proportional to 189,480 and 407,616 is: 876,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,480 : 407,616 = 407,616 : x
  2. Step 2: Convert to fraction form
    189,480/407,616 = 407,616/x
  3. Step 3: Cross multiply
    189,480x = 407,616 × 407,616
  4. Step 4: Simplify right side
    189,480x = 166,150,803,456
  5. Step 5: Solve for x
    x = 166,150,803,456/189,480
  6. Step 6: Final answer
    x = 876,877.79

Related Problems

Find third proportional to 94,740 and 203,808
Half scale
Find third proportional to 378,960 and 815,232
Double scale
Find third proportional to 189,482 and 407,620
Similar ratio
Find third proportional to 284,220 and 611,424
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.