Home / 38,740-81,832

Finding the Third Proportional to 38,740 and 81,832

Calculator

Solution

The third proportional to 38,740 and 81,832 is: 172,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740 : 81,832 = 81,832 : x
  2. Step 2: Convert to fraction form
    38,740/81,832 = 81,832/x
  3. Step 3: Cross multiply
    38,740x = 81,832 × 81,832
  4. Step 4: Simplify right side
    38,740x = 6,696,476,224
  5. Step 5: Solve for x
    x = 6,696,476,224/38,740
  6. Step 6: Final answer
    x = 172,856.90

Related Problems

Find third proportional to 19,370 and 40,916
Half scale
Find third proportional to 77,480 and 163,664
Double scale
Find third proportional to 38,742 and 81,836
Similar ratio
Find third proportional to 58,110 and 122,748
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.