Home / 307,338-670,716

Finding the Third Proportional to 307,338 and 670,716

Calculator

Solution

The third proportional to 307,338 and 670,716 is: 1,463,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,338 : 670,716 = 670,716 : x
  2. Step 2: Convert to fraction form
    307,338/670,716 = 670,716/x
  3. Step 3: Cross multiply
    307,338x = 670,716 × 670,716
  4. Step 4: Simplify right side
    307,338x = 449,859,952,656
  5. Step 5: Solve for x
    x = 449,859,952,656/307,338
  6. Step 6: Final answer
    x = 1,463,730.33

Related Problems

Find third proportional to 153,669 and 335,358
Half scale
Find third proportional to 614,676 and 1,341,432
Double scale
Find third proportional to 307,340 and 670,720
Similar ratio
Find third proportional to 461,007 and 1,006,074
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.