Home / 383,079-579,945

Finding the Third Proportional to 383,079 and 579,945

Calculator

Solution

The third proportional to 383,079 and 579,945 is: 877,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,079 : 579,945 = 579,945 : x
  2. Step 2: Convert to fraction form
    383,079/579,945 = 579,945/x
  3. Step 3: Cross multiply
    383,079x = 579,945 × 579,945
  4. Step 4: Simplify right side
    383,079x = 336,336,203,025
  5. Step 5: Solve for x
    x = 336,336,203,025/383,079
  6. Step 6: Final answer
    x = 877,981.31

Related Problems

Find third proportional to 191,539.50 and 289,972.50
Half scale
Find third proportional to 766,158 and 1,159,890
Double scale
Find third proportional to 383,081 and 579,948
Similar ratio
Find third proportional to 574,618.50 and 869,917.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.