Home / 331,808-720,936

Finding the Third Proportional to 331,808 and 720,936

Calculator

Solution

The third proportional to 331,808 and 720,936 is: 1,566,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,808 : 720,936 = 720,936 : x
  2. Step 2: Convert to fraction form
    331,808/720,936 = 720,936/x
  3. Step 3: Cross multiply
    331,808x = 720,936 × 720,936
  4. Step 4: Simplify right side
    331,808x = 519,748,716,096
  5. Step 5: Solve for x
    x = 519,748,716,096/331,808
  6. Step 6: Final answer
    x = 1,566,414.06

Related Problems

Find third proportional to 165,904 and 360,468
Half scale
Find third proportional to 663,616 and 1,441,872
Double scale
Find third proportional to 331,810 and 720,940
Similar ratio
Find third proportional to 497,712 and 1,081,404
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.