Home / 486,658-650,971

Finding the Third Proportional to 486,658 and 650,971

Calculator

Solution

The third proportional to 486,658 and 650,971 is: 870,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,658 : 650,971 = 650,971 : x
  2. Step 2: Convert to fraction form
    486,658/650,971 = 650,971/x
  3. Step 3: Cross multiply
    486,658x = 650,971 × 650,971
  4. Step 4: Simplify right side
    486,658x = 423,763,242,841
  5. Step 5: Solve for x
    x = 423,763,242,841/486,658
  6. Step 6: Final answer
    x = 870,761.90

Related Problems

Find third proportional to 243,329 and 325,485.50
Half scale
Find third proportional to 973,316 and 1,301,942
Double scale
Find third proportional to 486,660 and 650,974
Similar ratio
Find third proportional to 729,987 and 976,456.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.