Home / 398,394-863,167

Finding the Third Proportional to 398,394 and 863,167

Calculator

Solution

The third proportional to 398,394 and 863,167 is: 1,870,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,394 : 863,167 = 863,167 : x
  2. Step 2: Convert to fraction form
    398,394/863,167 = 863,167/x
  3. Step 3: Cross multiply
    398,394x = 863,167 × 863,167
  4. Step 4: Simplify right side
    398,394x = 745,057,269,889
  5. Step 5: Solve for x
    x = 745,057,269,889/398,394
  6. Step 6: Final answer
    x = 1,870,151.83

Related Problems

Find third proportional to 199,197 and 431,583.50
Half scale
Find third proportional to 796,788 and 1,726,334
Double scale
Find third proportional to 398,396 and 863,171
Similar ratio
Find third proportional to 597,591 and 1,294,750.50
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.