Home / 371,976-810,381

Finding the Third Proportional to 371,976 and 810,381

Calculator

Solution

The third proportional to 371,976 and 810,381 is: 1,765,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,976 : 810,381 = 810,381 : x
  2. Step 2: Convert to fraction form
    371,976/810,381 = 810,381/x
  3. Step 3: Cross multiply
    371,976x = 810,381 × 810,381
  4. Step 4: Simplify right side
    371,976x = 656,717,365,161
  5. Step 5: Solve for x
    x = 656,717,365,161/371,976
  6. Step 6: Final answer
    x = 1,765,483.16

Related Problems

Find third proportional to 185,988 and 405,190.50
Half scale
Find third proportional to 743,952 and 1,620,762
Double scale
Find third proportional to 371,978 and 810,385
Similar ratio
Find third proportional to 557,964 and 1,215,571.50
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.