Home / 321,453-700,053

Finding the Third Proportional to 321,453 and 700,053

Calculator

Solution

The third proportional to 321,453 and 700,053 is: 1,524,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,453 : 700,053 = 700,053 : x
  2. Step 2: Convert to fraction form
    321,453/700,053 = 700,053/x
  3. Step 3: Cross multiply
    321,453x = 700,053 × 700,053
  4. Step 4: Simplify right side
    321,453x = 490,074,202,809
  5. Step 5: Solve for x
    x = 490,074,202,809/321,453
  6. Step 6: Final answer
    x = 1,524,559.43

Related Problems

Find third proportional to 160,726.50 and 350,026.50
Half scale
Find third proportional to 642,906 and 1,400,106
Double scale
Find third proportional to 321,455 and 700,057
Similar ratio
Find third proportional to 482,179.50 and 1,050,079.50
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.