Home / 643,340-1,375,027

Finding the Third Proportional to 643,340 and 1,375,027

Calculator

Solution

The third proportional to 643,340 and 1,375,027 is: 2,938,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,340 : 1,375,027 = 1,375,027 : x
  2. Step 2: Convert to fraction form
    643,340/1,375,027 = 1,375,027/x
  3. Step 3: Cross multiply
    643,340x = 1,375,027 × 1,375,027
  4. Step 4: Simplify right side
    643,340x = 1,890,699,250,729
  5. Step 5: Solve for x
    x = 1,890,699,250,729/643,340
  6. Step 6: Final answer
    x = 2,938,880.30

Related Problems

Find third proportional to 321,670 and 687,513.50
Half scale
Find third proportional to 1,286,680 and 2,750,054
Double scale
Find third proportional to 643,342 and 1,375,031
Similar ratio
Find third proportional to 965,010 and 2,062,540.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.