Home / 203,780-447,904

Finding the Third Proportional to 203,780 and 447,904

Calculator

Solution

The third proportional to 203,780 and 447,904 is: 984,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,780 : 447,904 = 447,904 : x
  2. Step 2: Convert to fraction form
    203,780/447,904 = 447,904/x
  3. Step 3: Cross multiply
    203,780x = 447,904 × 447,904
  4. Step 4: Simplify right side
    203,780x = 200,617,993,216
  5. Step 5: Solve for x
    x = 200,617,993,216/203,780
  6. Step 6: Final answer
    x = 984,483.23

Related Problems

Find third proportional to 101,890 and 223,952
Half scale
Find third proportional to 407,560 and 895,808
Double scale
Find third proportional to 203,782 and 447,908
Similar ratio
Find third proportional to 305,670 and 671,856
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.