Home / 284,289-612,863

Finding the Third Proportional to 284,289 and 612,863

Calculator

Solution

The third proportional to 284,289 and 612,863 is: 1,321,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,289 : 612,863 = 612,863 : x
  2. Step 2: Convert to fraction form
    284,289/612,863 = 612,863/x
  3. Step 3: Cross multiply
    284,289x = 612,863 × 612,863
  4. Step 4: Simplify right side
    284,289x = 375,601,056,769
  5. Step 5: Solve for x
    x = 375,601,056,769/284,289
  6. Step 6: Final answer
    x = 1,321,194.48

Related Problems

Find third proportional to 142,144.50 and 306,431.50
Half scale
Find third proportional to 568,578 and 1,225,726
Double scale
Find third proportional to 284,291 and 612,867
Similar ratio
Find third proportional to 426,433.50 and 919,294.50
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.