Home / 203,620-437,376

Finding the Third Proportional to 203,620 and 437,376

Calculator

Solution

The third proportional to 203,620 and 437,376 is: 939,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,620 : 437,376 = 437,376 : x
  2. Step 2: Convert to fraction form
    203,620/437,376 = 437,376/x
  3. Step 3: Cross multiply
    203,620x = 437,376 × 437,376
  4. Step 4: Simplify right side
    203,620x = 191,297,765,376
  5. Step 5: Solve for x
    x = 191,297,765,376/203,620
  6. Step 6: Final answer
    x = 939,484.16

Related Problems

Find third proportional to 101,810 and 218,688
Half scale
Find third proportional to 407,240 and 874,752
Double scale
Find third proportional to 203,622 and 437,380
Similar ratio
Find third proportional to 305,430 and 656,064
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.