Home / 721,778-1,550,172

Finding the Third Proportional to 721,778 and 1,550,172

Calculator

Solution

The third proportional to 721,778 and 1,550,172 is: 3,329,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,778 : 1,550,172 = 1,550,172 : x
  2. Step 2: Convert to fraction form
    721,778/1,550,172 = 1,550,172/x
  3. Step 3: Cross multiply
    721,778x = 1,550,172 × 1,550,172
  4. Step 4: Simplify right side
    721,778x = 2,403,033,229,584
  5. Step 5: Solve for x
    x = 2,403,033,229,584/721,778
  6. Step 6: Final answer
    x = 3,329,324.57

Related Problems

Find third proportional to 360,889 and 775,086
Half scale
Find third proportional to 1,443,556 and 3,100,344
Double scale
Find third proportional to 721,780 and 1,550,176
Similar ratio
Find third proportional to 1,082,667 and 2,325,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.