Home / 38,568-79,728

Finding the Third Proportional to 38,568 and 79,728

Calculator

Solution

The third proportional to 38,568 and 79,728 is: 164,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568 : 79,728 = 79,728 : x
  2. Step 2: Convert to fraction form
    38,568/79,728 = 79,728/x
  3. Step 3: Cross multiply
    38,568x = 79,728 × 79,728
  4. Step 4: Simplify right side
    38,568x = 6,356,553,984
  5. Step 5: Solve for x
    x = 6,356,553,984/38,568
  6. Step 6: Final answer
    x = 164,814.20

Related Problems

Find third proportional to 19,284 and 39,864
Half scale
Find third proportional to 77,136 and 159,456
Double scale
Find third proportional to 38,570 and 79,732
Similar ratio
Find third proportional to 57,852 and 119,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.