Home / 300,024-438,186

Finding the Third Proportional to 300,024 and 438,186

Calculator

Solution

The third proportional to 300,024 and 438,186 is: 639,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,024 : 438,186 = 438,186 : x
  2. Step 2: Convert to fraction form
    300,024/438,186 = 438,186/x
  3. Step 3: Cross multiply
    300,024x = 438,186 × 438,186
  4. Step 4: Simplify right side
    300,024x = 192,006,970,596
  5. Step 5: Solve for x
    x = 192,006,970,596/300,024
  6. Step 6: Final answer
    x = 639,972.04

Related Problems

Find third proportional to 150,012 and 219,093
Half scale
Find third proportional to 600,048 and 876,372
Double scale
Find third proportional to 300,026 and 438,189
Similar ratio
Find third proportional to 450,036 and 657,279
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.