Home / 399,254-864,968

Finding the Third Proportional to 399,254 and 864,968

Calculator

Solution

The third proportional to 399,254 and 864,968 is: 1,873,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,254 : 864,968 = 864,968 : x
  2. Step 2: Convert to fraction form
    399,254/864,968 = 864,968/x
  3. Step 3: Cross multiply
    399,254x = 864,968 × 864,968
  4. Step 4: Simplify right side
    399,254x = 748,169,641,024
  5. Step 5: Solve for x
    x = 748,169,641,024/399,254
  6. Step 6: Final answer
    x = 1,873,918.96

Related Problems

Find third proportional to 199,627 and 432,484
Half scale
Find third proportional to 798,508 and 1,729,936
Double scale
Find third proportional to 399,256 and 864,972
Similar ratio
Find third proportional to 598,881 and 1,297,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.