Home / 177,994-388,811

Finding the Third Proportional to 177,994 and 388,811

Calculator

Solution

The third proportional to 177,994 and 388,811 is: 849,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,994 : 388,811 = 388,811 : x
  2. Step 2: Convert to fraction form
    177,994/388,811 = 388,811/x
  3. Step 3: Cross multiply
    177,994x = 388,811 × 388,811
  4. Step 4: Simplify right side
    177,994x = 151,173,993,721
  5. Step 5: Solve for x
    x = 151,173,993,721/177,994
  6. Step 6: Final answer
    x = 849,320.73

Related Problems

Find third proportional to 88,997 and 194,405.50
Half scale
Find third proportional to 355,988 and 777,622
Double scale
Find third proportional to 177,996 and 388,815
Similar ratio
Find third proportional to 266,991 and 583,216.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.