Home / 512,654-1,121,809

Finding the Third Proportional to 512,654 and 1,121,809

Calculator

Solution

The third proportional to 512,654 and 1,121,809 is: 2,454,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,654 : 1,121,809 = 1,121,809 : x
  2. Step 2: Convert to fraction form
    512,654/1,121,809 = 1,121,809/x
  3. Step 3: Cross multiply
    512,654x = 1,121,809 × 1,121,809
  4. Step 4: Simplify right side
    512,654x = 1,258,455,432,481
  5. Step 5: Solve for x
    x = 1,258,455,432,481/512,654
  6. Step 6: Final answer
    x = 2,454,785.16

Related Problems

Find third proportional to 256,327 and 560,904.50
Half scale
Find third proportional to 1,025,308 and 2,243,618
Double scale
Find third proportional to 512,656 and 1,121,813
Similar ratio
Find third proportional to 768,981 and 1,682,713.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.