Home / 405,375-938,331

Finding the Third Proportional to 405,375 and 938,331

Calculator

Solution

The third proportional to 405,375 and 938,331 is: 2,171,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,375 : 938,331 = 938,331 : x
  2. Step 2: Convert to fraction form
    405,375/938,331 = 938,331/x
  3. Step 3: Cross multiply
    405,375x = 938,331 × 938,331
  4. Step 4: Simplify right side
    405,375x = 880,465,065,561
  5. Step 5: Solve for x
    x = 880,465,065,561/405,375
  6. Step 6: Final answer
    x = 2,171,976.73

Related Problems

Find third proportional to 202,687.50 and 469,165.50
Half scale
Find third proportional to 810,750 and 1,876,662
Double scale
Find third proportional to 405,377 and 938,336
Similar ratio
Find third proportional to 608,062.50 and 1,407,496.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.