Home / 143,148-310,914

Finding the Third Proportional to 143,148 and 310,914

Calculator

Solution

The third proportional to 143,148 and 310,914 is: 675,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,148 : 310,914 = 310,914 : x
  2. Step 2: Convert to fraction form
    143,148/310,914 = 310,914/x
  3. Step 3: Cross multiply
    143,148x = 310,914 × 310,914
  4. Step 4: Simplify right side
    143,148x = 96,667,515,396
  5. Step 5: Solve for x
    x = 96,667,515,396/143,148
  6. Step 6: Final answer
    x = 675,297.70

Related Problems

Find third proportional to 71,574 and 155,457
Half scale
Find third proportional to 286,296 and 621,828
Double scale
Find third proportional to 143,150 and 310,918
Similar ratio
Find third proportional to 214,722 and 466,371
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.