Home / 203,942-437,409

Finding the Third Proportional to 203,942 and 437,409

Calculator

Solution

The third proportional to 203,942 and 437,409 is: 938,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942 : 437,409 = 437,409 : x
  2. Step 2: Convert to fraction form
    203,942/437,409 = 437,409/x
  3. Step 3: Cross multiply
    203,942x = 437,409 × 437,409
  4. Step 4: Simplify right side
    203,942x = 191,326,633,281
  5. Step 5: Solve for x
    x = 191,326,633,281/203,942
  6. Step 6: Final answer
    x = 938,142.38

Related Problems

Find third proportional to 101,971 and 218,704.50
Half scale
Find third proportional to 407,884 and 874,818
Double scale
Find third proportional to 203,944 and 437,413
Similar ratio
Find third proportional to 305,913 and 656,113.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.