Home / 800,234-1,238,689

Finding the Third Proportional to 800,234 and 1,238,689

Calculator

Solution

The third proportional to 800,234 and 1,238,689 is: 1,917,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,234 : 1,238,689 = 1,238,689 : x
  2. Step 2: Convert to fraction form
    800,234/1,238,689 = 1,238,689/x
  3. Step 3: Cross multiply
    800,234x = 1,238,689 × 1,238,689
  4. Step 4: Simplify right side
    800,234x = 1,534,350,438,721
  5. Step 5: Solve for x
    x = 1,534,350,438,721/800,234
  6. Step 6: Final answer
    x = 1,917,377.22

Related Problems

Find third proportional to 400,117 and 619,344.50
Half scale
Find third proportional to 1,600,468 and 2,477,378
Double scale
Find third proportional to 800,236 and 1,238,692
Similar ratio
Find third proportional to 1,200,351 and 1,858,033.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.