Home / 397,116-774,171

Finding the Third Proportional to 397,116 and 774,171

Calculator

Solution

The third proportional to 397,116 and 774,171 is: 1,509,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,116 : 774,171 = 774,171 : x
  2. Step 2: Convert to fraction form
    397,116/774,171 = 774,171/x
  3. Step 3: Cross multiply
    397,116x = 774,171 × 774,171
  4. Step 4: Simplify right side
    397,116x = 599,340,737,241
  5. Step 5: Solve for x
    x = 599,340,737,241/397,116
  6. Step 6: Final answer
    x = 1,509,233.42

Related Problems

Find third proportional to 198,558 and 387,085.50
Half scale
Find third proportional to 794,232 and 1,548,342
Double scale
Find third proportional to 397,118 and 774,175
Similar ratio
Find third proportional to 595,674 and 1,161,256.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.