Home / 179,783-399,471

Finding the Third Proportional to 179,783 and 399,471

Calculator

Solution

The third proportional to 179,783 and 399,471 is: 887,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783 : 399,471 = 399,471 : x
  2. Step 2: Convert to fraction form
    179,783/399,471 = 399,471/x
  3. Step 3: Cross multiply
    179,783x = 399,471 × 399,471
  4. Step 4: Simplify right side
    179,783x = 159,577,079,841
  5. Step 5: Solve for x
    x = 159,577,079,841/179,783
  6. Step 6: Final answer
    x = 887,609.39

Related Problems

Find third proportional to 89,891.50 and 199,735.50
Half scale
Find third proportional to 359,566 and 798,942
Double scale
Find third proportional to 179,785 and 399,475
Similar ratio
Find third proportional to 269,674.50 and 599,206.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.