Home / 721,172-1,542,400

Finding the Third Proportional to 721,172 and 1,542,400

Calculator

Solution

The third proportional to 721,172 and 1,542,400 is: 3,298,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,172 : 1,542,400 = 1,542,400 : x
  2. Step 2: Convert to fraction form
    721,172/1,542,400 = 1,542,400/x
  3. Step 3: Cross multiply
    721,172x = 1,542,400 × 1,542,400
  4. Step 4: Simplify right side
    721,172x = 2,378,997,760,000
  5. Step 5: Solve for x
    x = 2,378,997,760,000/721,172
  6. Step 6: Final answer
    x = 3,298,793.85

Related Problems

Find third proportional to 360,586 and 771,200
Half scale
Find third proportional to 1,442,344 and 3,084,800
Double scale
Find third proportional to 721,174 and 1,542,404
Similar ratio
Find third proportional to 1,081,758 and 2,313,600
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.