Home / 331,832-510,339

Finding the Third Proportional to 331,832 and 510,339

Calculator

Solution

The third proportional to 331,832 and 510,339 is: 784,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,832 : 510,339 = 510,339 : x
  2. Step 2: Convert to fraction form
    331,832/510,339 = 510,339/x
  3. Step 3: Cross multiply
    331,832x = 510,339 × 510,339
  4. Step 4: Simplify right side
    331,832x = 260,445,894,921
  5. Step 5: Solve for x
    x = 260,445,894,921/331,832
  6. Step 6: Final answer
    x = 784,872.75

Related Problems

Find third proportional to 165,916 and 255,169.50
Half scale
Find third proportional to 663,664 and 1,020,678
Double scale
Find third proportional to 331,834 and 510,342
Similar ratio
Find third proportional to 497,748 and 765,508.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.