Home / 389,367-844,830

Finding the Third Proportional to 389,367 and 844,830

Calculator

Solution

The third proportional to 389,367 and 844,830 is: 1,833,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,367 : 844,830 = 844,830 : x
  2. Step 2: Convert to fraction form
    389,367/844,830 = 844,830/x
  3. Step 3: Cross multiply
    389,367x = 844,830 × 844,830
  4. Step 4: Simplify right side
    389,367x = 713,737,728,900
  5. Step 5: Solve for x
    x = 713,737,728,900/389,367
  6. Step 6: Final answer
    x = 1,833,071.96

Related Problems

Find third proportional to 194,683.50 and 422,415
Half scale
Find third proportional to 778,734 and 1,689,660
Double scale
Find third proportional to 389,369 and 844,834
Similar ratio
Find third proportional to 584,050.50 and 1,267,245
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.