Home / 574,821-870,183

Finding the Third Proportional to 574,821 and 870,183

Calculator

Solution

The third proportional to 574,821 and 870,183 is: 1,317,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,821 : 870,183 = 870,183 : x
  2. Step 2: Convert to fraction form
    574,821/870,183 = 870,183/x
  3. Step 3: Cross multiply
    574,821x = 870,183 × 870,183
  4. Step 4: Simplify right side
    574,821x = 757,218,453,489
  5. Step 5: Solve for x
    x = 757,218,453,489/574,821
  6. Step 6: Final answer
    x = 1,317,311.74

Related Problems

Find third proportional to 287,410.50 and 435,091.50
Half scale
Find third proportional to 1,149,642 and 1,740,366
Double scale
Find third proportional to 574,823 and 870,186
Similar ratio
Find third proportional to 862,231.50 and 1,305,274.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.