Home / 354,739-521,734

Finding the Third Proportional to 354,739 and 521,734

Calculator

Solution

The third proportional to 354,739 and 521,734 is: 767,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,739 : 521,734 = 521,734 : x
  2. Step 2: Convert to fraction form
    354,739/521,734 = 521,734/x
  3. Step 3: Cross multiply
    354,739x = 521,734 × 521,734
  4. Step 4: Simplify right side
    354,739x = 272,206,366,756
  5. Step 5: Solve for x
    x = 272,206,366,756/354,739
  6. Step 6: Final answer
    x = 767,342.66

Related Problems

Find third proportional to 177,369.50 and 260,867
Half scale
Find third proportional to 709,478 and 1,043,468
Double scale
Find third proportional to 354,741 and 521,737
Similar ratio
Find third proportional to 532,108.50 and 782,601
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.