Home / 38,578-83,987

Finding the Third Proportional to 38,578 and 83,987

Calculator

Solution

The third proportional to 38,578 and 83,987 is: 182,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578 : 83,987 = 83,987 : x
  2. Step 2: Convert to fraction form
    38,578/83,987 = 83,987/x
  3. Step 3: Cross multiply
    38,578x = 83,987 × 83,987
  4. Step 4: Simplify right side
    38,578x = 7,053,816,169
  5. Step 5: Solve for x
    x = 7,053,816,169/38,578
  6. Step 6: Final answer
    x = 182,845.56

Related Problems

Find third proportional to 19,289 and 41,993.50
Half scale
Find third proportional to 77,156 and 167,974
Double scale
Find third proportional to 38,580 and 83,991
Similar ratio
Find third proportional to 57,867 and 125,980.50
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.