Home / 321,852-480,618

Finding the Third Proportional to 321,852 and 480,618

Calculator

Solution

The third proportional to 321,852 and 480,618 is: 717,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,852 : 480,618 = 480,618 : x
  2. Step 2: Convert to fraction form
    321,852/480,618 = 480,618/x
  3. Step 3: Cross multiply
    321,852x = 480,618 × 480,618
  4. Step 4: Simplify right side
    321,852x = 230,993,661,924
  5. Step 5: Solve for x
    x = 230,993,661,924/321,852
  6. Step 6: Final answer
    x = 717,701.50

Related Problems

Find third proportional to 160,926 and 240,309
Half scale
Find third proportional to 643,704 and 961,236
Double scale
Find third proportional to 321,854 and 480,621
Similar ratio
Find third proportional to 482,778 and 720,927
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.