Home / 39,974-86,174

Finding the Third Proportional to 39,974 and 86,174

Calculator

Solution

The third proportional to 39,974 and 86,174 is: 185,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974 : 86,174 = 86,174 : x
  2. Step 2: Convert to fraction form
    39,974/86,174 = 86,174/x
  3. Step 3: Cross multiply
    39,974x = 86,174 × 86,174
  4. Step 4: Simplify right side
    39,974x = 7,425,958,276
  5. Step 5: Solve for x
    x = 7,425,958,276/39,974
  6. Step 6: Final answer
    x = 185,769.71

Related Problems

Find third proportional to 19,987 and 43,087
Half scale
Find third proportional to 79,948 and 172,348
Double scale
Find third proportional to 39,976 and 86,178
Similar ratio
Find third proportional to 59,961 and 129,261
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.