Home / 338,643-723,941

Finding the Third Proportional to 338,643 and 723,941

Calculator

Solution

The third proportional to 338,643 and 723,941 is: 1,547,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,643 : 723,941 = 723,941 : x
  2. Step 2: Convert to fraction form
    338,643/723,941 = 723,941/x
  3. Step 3: Cross multiply
    338,643x = 723,941 × 723,941
  4. Step 4: Simplify right side
    338,643x = 524,090,571,481
  5. Step 5: Solve for x
    x = 524,090,571,481/338,643
  6. Step 6: Final answer
    x = 1,547,619.68

Related Problems

Find third proportional to 169,321.50 and 361,970.50
Half scale
Find third proportional to 677,286 and 1,447,882
Double scale
Find third proportional to 338,645 and 723,945
Similar ratio
Find third proportional to 507,964.50 and 1,085,911.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.