Home / 265,684-398,814

Finding the Third Proportional to 265,684 and 398,814

Calculator

Solution

The third proportional to 265,684 and 398,814 is: 598,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,684 : 398,814 = 398,814 : x
  2. Step 2: Convert to fraction form
    265,684/398,814 = 398,814/x
  3. Step 3: Cross multiply
    265,684x = 398,814 × 398,814
  4. Step 4: Simplify right side
    265,684x = 159,052,606,596
  5. Step 5: Solve for x
    x = 159,052,606,596/265,684
  6. Step 6: Final answer
    x = 598,653.31

Related Problems

Find third proportional to 132,842 and 199,407
Half scale
Find third proportional to 531,368 and 797,628
Double scale
Find third proportional to 265,686 and 398,817
Similar ratio
Find third proportional to 398,526 and 598,221
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.