Home / 181,287-388,817

Finding the Third Proportional to 181,287 and 388,817

Calculator

Solution

The third proportional to 181,287 and 388,817 is: 833,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,287 : 388,817 = 388,817 : x
  2. Step 2: Convert to fraction form
    181,287/388,817 = 388,817/x
  3. Step 3: Cross multiply
    181,287x = 388,817 × 388,817
  4. Step 4: Simplify right side
    181,287x = 151,178,659,489
  5. Step 5: Solve for x
    x = 151,178,659,489/181,287
  6. Step 6: Final answer
    x = 833,918.92

Related Problems

Find third proportional to 90,643.50 and 194,408.50
Half scale
Find third proportional to 362,574 and 777,634
Double scale
Find third proportional to 181,289 and 388,821
Similar ratio
Find third proportional to 271,930.50 and 583,225.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.