Home / 400,888-863,792

Finding the Third Proportional to 400,888 and 863,792

Calculator

Solution

The third proportional to 400,888 and 863,792 is: 1,861,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,888 : 863,792 = 863,792 : x
  2. Step 2: Convert to fraction form
    400,888/863,792 = 863,792/x
  3. Step 3: Cross multiply
    400,888x = 863,792 × 863,792
  4. Step 4: Simplify right side
    400,888x = 746,136,619,264
  5. Step 5: Solve for x
    x = 746,136,619,264/400,888
  6. Step 6: Final answer
    x = 1,861,209.66

Related Problems

Find third proportional to 200,444 and 431,896
Half scale
Find third proportional to 801,776 and 1,727,584
Double scale
Find third proportional to 400,890 and 863,796
Similar ratio
Find third proportional to 601,332 and 1,295,688
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.