Home / 305,505-670,059

Finding the Third Proportional to 305,505 and 670,059

Calculator

Solution

The third proportional to 305,505 and 670,059 is: 1,469,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,505 : 670,059 = 670,059 : x
  2. Step 2: Convert to fraction form
    305,505/670,059 = 670,059/x
  3. Step 3: Cross multiply
    305,505x = 670,059 × 670,059
  4. Step 4: Simplify right side
    305,505x = 448,979,063,481
  5. Step 5: Solve for x
    x = 448,979,063,481/305,505
  6. Step 6: Final answer
    x = 1,469,629.18

Related Problems

Find third proportional to 152,752.50 and 335,029.50
Half scale
Find third proportional to 611,010 and 1,340,118
Double scale
Find third proportional to 305,507 and 670,063
Similar ratio
Find third proportional to 458,257.50 and 1,005,088.50
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.