Home / 143,016-310,635

Finding the Third Proportional to 143,016 and 310,635

Calculator

Solution

The third proportional to 143,016 and 310,635 is: 674,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,016 : 310,635 = 310,635 : x
  2. Step 2: Convert to fraction form
    143,016/310,635 = 310,635/x
  3. Step 3: Cross multiply
    143,016x = 310,635 × 310,635
  4. Step 4: Simplify right side
    143,016x = 96,494,103,225
  5. Step 5: Solve for x
    x = 96,494,103,225/143,016
  6. Step 6: Final answer
    x = 674,708.45

Related Problems

Find third proportional to 71,508 and 155,317.50
Half scale
Find third proportional to 286,032 and 621,270
Double scale
Find third proportional to 143,018 and 310,639
Similar ratio
Find third proportional to 214,524 and 465,952.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.