Home / 38,169-84,090

Finding the Third Proportional to 38,169 and 84,090

Calculator

Solution

The third proportional to 38,169 and 84,090 is: 185,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169 : 84,090 = 84,090 : x
  2. Step 2: Convert to fraction form
    38,169/84,090 = 84,090/x
  3. Step 3: Cross multiply
    38,169x = 84,090 × 84,090
  4. Step 4: Simplify right side
    38,169x = 7,071,128,100
  5. Step 5: Solve for x
    x = 7,071,128,100/38,169
  6. Step 6: Final answer
    x = 185,258.41

Related Problems

Find third proportional to 19,084.50 and 42,045
Half scale
Find third proportional to 76,338 and 168,180
Double scale
Find third proportional to 38,171 and 84,094
Similar ratio
Find third proportional to 57,253.50 and 126,135
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.