Home / 38,690-83,716

Finding the Third Proportional to 38,690 and 83,716

Calculator

Solution

The third proportional to 38,690 and 83,716 is: 181,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690 : 83,716 = 83,716 : x
  2. Step 2: Convert to fraction form
    38,690/83,716 = 83,716/x
  3. Step 3: Cross multiply
    38,690x = 83,716 × 83,716
  4. Step 4: Simplify right side
    38,690x = 7,008,368,656
  5. Step 5: Solve for x
    x = 7,008,368,656/38,690
  6. Step 6: Final answer
    x = 181,141.60

Related Problems

Find third proportional to 19,345 and 41,858
Half scale
Find third proportional to 77,380 and 167,432
Double scale
Find third proportional to 38,692 and 83,720
Similar ratio
Find third proportional to 58,035 and 125,574
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.