Home / 300,984-641,136

Finding the Third Proportional to 300,984 and 641,136

Calculator

Solution

The third proportional to 300,984 and 641,136 is: 1,365,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,984 : 641,136 = 641,136 : x
  2. Step 2: Convert to fraction form
    300,984/641,136 = 641,136/x
  3. Step 3: Cross multiply
    300,984x = 641,136 × 641,136
  4. Step 4: Simplify right side
    300,984x = 411,055,370,496
  5. Step 5: Solve for x
    x = 411,055,370,496/300,984
  6. Step 6: Final answer
    x = 1,365,705.06

Related Problems

Find third proportional to 150,492 and 320,568
Half scale
Find third proportional to 601,968 and 1,282,272
Double scale
Find third proportional to 300,986 and 641,140
Similar ratio
Find third proportional to 451,476 and 961,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.