Home / 387,096-580,812

Finding the Third Proportional to 387,096 and 580,812

Calculator

Solution

The third proportional to 387,096 and 580,812 is: 871,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096 : 580,812 = 580,812 : x
  2. Step 2: Convert to fraction form
    387,096/580,812 = 580,812/x
  3. Step 3: Cross multiply
    387,096x = 580,812 × 580,812
  4. Step 4: Simplify right side
    387,096x = 337,342,579,344
  5. Step 5: Solve for x
    x = 337,342,579,344/387,096
  6. Step 6: Final answer
    x = 871,470.07

Related Problems

Find third proportional to 193,548 and 290,406
Half scale
Find third proportional to 774,192 and 1,161,624
Double scale
Find third proportional to 387,098 and 580,815
Similar ratio
Find third proportional to 580,644 and 871,218
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.