Home / 189,648-284,976

Finding the Third Proportional to 189,648 and 284,976

Calculator

Solution

The third proportional to 189,648 and 284,976 is: 428,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,648 : 284,976 = 284,976 : x
  2. Step 2: Convert to fraction form
    189,648/284,976 = 284,976/x
  3. Step 3: Cross multiply
    189,648x = 284,976 × 284,976
  4. Step 4: Simplify right side
    189,648x = 81,211,320,576
  5. Step 5: Solve for x
    x = 81,211,320,576/189,648
  6. Step 6: Final answer
    x = 428,221.34

Related Problems

Find third proportional to 94,824 and 142,488
Half scale
Find third proportional to 379,296 and 569,952
Double scale
Find third proportional to 189,650 and 284,979
Similar ratio
Find third proportional to 284,472 and 427,464
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.