Home / 306,617-670,234

Finding the Third Proportional to 306,617 and 670,234

Calculator

Solution

The third proportional to 306,617 and 670,234 is: 1,465,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,617 : 670,234 = 670,234 : x
  2. Step 2: Convert to fraction form
    306,617/670,234 = 670,234/x
  3. Step 3: Cross multiply
    306,617x = 670,234 × 670,234
  4. Step 4: Simplify right side
    306,617x = 449,213,614,756
  5. Step 5: Solve for x
    x = 449,213,614,756/306,617
  6. Step 6: Final answer
    x = 1,465,064.28

Related Problems

Find third proportional to 153,308.50 and 335,117
Half scale
Find third proportional to 613,234 and 1,340,468
Double scale
Find third proportional to 306,619 and 670,238
Similar ratio
Find third proportional to 459,925.50 and 1,005,351
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.