Home / 66,574-144,903

Finding the Third Proportional to 66,574 and 144,903

Calculator

Solution

The third proportional to 66,574 and 144,903 is: 315,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574 : 144,903 = 144,903 : x
  2. Step 2: Convert to fraction form
    66,574/144,903 = 144,903/x
  3. Step 3: Cross multiply
    66,574x = 144,903 × 144,903
  4. Step 4: Simplify right side
    66,574x = 20,996,879,409
  5. Step 5: Solve for x
    x = 20,996,879,409/66,574
  6. Step 6: Final answer
    x = 315,391.59

Related Problems

Find third proportional to 33,287 and 72,451.50
Half scale
Find third proportional to 133,148 and 289,806
Double scale
Find third proportional to 66,576 and 144,907
Similar ratio
Find third proportional to 99,861 and 217,354.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.