Home / 177,990-386,796

Finding the Third Proportional to 177,990 and 386,796

Calculator

Solution

The third proportional to 177,990 and 386,796 is: 840,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,990 : 386,796 = 386,796 : x
  2. Step 2: Convert to fraction form
    177,990/386,796 = 386,796/x
  3. Step 3: Cross multiply
    177,990x = 386,796 × 386,796
  4. Step 4: Simplify right side
    177,990x = 149,611,145,616
  5. Step 5: Solve for x
    x = 149,611,145,616/177,990
  6. Step 6: Final answer
    x = 840,559.28

Related Problems

Find third proportional to 88,995 and 193,398
Half scale
Find third proportional to 355,980 and 773,592
Double scale
Find third proportional to 177,992 and 386,800
Similar ratio
Find third proportional to 266,985 and 580,194
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.