Home / 203,707-438,619

Finding the Third Proportional to 203,707 and 438,619

Calculator

Solution

The third proportional to 203,707 and 438,619 is: 944,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,707 : 438,619 = 438,619 : x
  2. Step 2: Convert to fraction form
    203,707/438,619 = 438,619/x
  3. Step 3: Cross multiply
    203,707x = 438,619 × 438,619
  4. Step 4: Simplify right side
    203,707x = 192,386,627,161
  5. Step 5: Solve for x
    x = 192,386,627,161/203,707
  6. Step 6: Final answer
    x = 944,428.16

Related Problems

Find third proportional to 101,853.50 and 219,309.50
Half scale
Find third proportional to 407,414 and 877,238
Double scale
Find third proportional to 203,709 and 438,623
Similar ratio
Find third proportional to 305,560.50 and 657,928.50
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.