Home / 453,719-978,149

Finding the Third Proportional to 453,719 and 978,149

Calculator

Solution

The third proportional to 453,719 and 978,149 is: 2,108,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,719 : 978,149 = 978,149 : x
  2. Step 2: Convert to fraction form
    453,719/978,149 = 978,149/x
  3. Step 3: Cross multiply
    453,719x = 978,149 × 978,149
  4. Step 4: Simplify right side
    453,719x = 956,775,466,201
  5. Step 5: Solve for x
    x = 956,775,466,201/453,719
  6. Step 6: Final answer
    x = 2,108,740.14

Related Problems

Find third proportional to 226,859.50 and 489,074.50
Half scale
Find third proportional to 907,438 and 1,956,298
Double scale
Find third proportional to 453,721 and 978,153
Similar ratio
Find third proportional to 680,578.50 and 1,467,223.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.