Home / 143,082-310,768

Finding the Third Proportional to 143,082 and 310,768

Calculator

Solution

The third proportional to 143,082 and 310,768 is: 674,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,082 : 310,768 = 310,768 : x
  2. Step 2: Convert to fraction form
    143,082/310,768 = 310,768/x
  3. Step 3: Cross multiply
    143,082x = 310,768 × 310,768
  4. Step 4: Simplify right side
    143,082x = 96,576,749,824
  5. Step 5: Solve for x
    x = 96,576,749,824/143,082
  6. Step 6: Final answer
    x = 674,974.84

Related Problems

Find third proportional to 71,541 and 155,384
Half scale
Find third proportional to 286,164 and 621,536
Double scale
Find third proportional to 143,084 and 310,772
Similar ratio
Find third proportional to 214,623 and 466,152
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.