Home / 389,898-837,792

Finding the Third Proportional to 389,898 and 837,792

Calculator

Solution

The third proportional to 389,898 and 837,792 is: 1,800,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,898 : 837,792 = 837,792 : x
  2. Step 2: Convert to fraction form
    389,898/837,792 = 837,792/x
  3. Step 3: Cross multiply
    389,898x = 837,792 × 837,792
  4. Step 4: Simplify right side
    389,898x = 701,895,435,264
  5. Step 5: Solve for x
    x = 701,895,435,264/389,898
  6. Step 6: Final answer
    x = 1,800,202.71

Related Problems

Find third proportional to 194,949 and 418,896
Half scale
Find third proportional to 779,796 and 1,675,584
Double scale
Find third proportional to 389,900 and 837,796
Similar ratio
Find third proportional to 584,847 and 1,256,688
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.