Home / 38,644-80,636

Finding the Third Proportional to 38,644 and 80,636

Calculator

Solution

The third proportional to 38,644 and 80,636 is: 168,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644 : 80,636 = 80,636 : x
  2. Step 2: Convert to fraction form
    38,644/80,636 = 80,636/x
  3. Step 3: Cross multiply
    38,644x = 80,636 × 80,636
  4. Step 4: Simplify right side
    38,644x = 6,502,164,496
  5. Step 5: Solve for x
    x = 6,502,164,496/38,644
  6. Step 6: Final answer
    x = 168,258.06

Related Problems

Find third proportional to 19,322 and 40,318
Half scale
Find third proportional to 77,288 and 161,272
Double scale
Find third proportional to 38,646 and 80,640
Similar ratio
Find third proportional to 57,966 and 120,954
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.