Home / 38,790-84,969

Finding the Third Proportional to 38,790 and 84,969

Calculator

Solution

The third proportional to 38,790 and 84,969 is: 186,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790 : 84,969 = 84,969 : x
  2. Step 2: Convert to fraction form
    38,790/84,969 = 84,969/x
  3. Step 3: Cross multiply
    38,790x = 84,969 × 84,969
  4. Step 4: Simplify right side
    38,790x = 7,219,730,961
  5. Step 5: Solve for x
    x = 7,219,730,961/38,790
  6. Step 6: Final answer
    x = 186,123.51

Related Problems

Find third proportional to 19,395 and 42,484.50
Half scale
Find third proportional to 77,580 and 169,938
Double scale
Find third proportional to 38,792 and 84,973
Similar ratio
Find third proportional to 58,185 and 127,453.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.