Home / 38,214-79,128

Finding the Third Proportional to 38,214 and 79,128

Calculator

Solution

The third proportional to 38,214 and 79,128 is: 163,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214 : 79,128 = 79,128 : x
  2. Step 2: Convert to fraction form
    38,214/79,128 = 79,128/x
  3. Step 3: Cross multiply
    38,214x = 79,128 × 79,128
  4. Step 4: Simplify right side
    38,214x = 6,261,240,384
  5. Step 5: Solve for x
    x = 6,261,240,384/38,214
  6. Step 6: Final answer
    x = 163,846.77

Related Problems

Find third proportional to 19,107 and 39,564
Half scale
Find third proportional to 76,428 and 158,256
Double scale
Find third proportional to 38,216 and 79,132
Similar ratio
Find third proportional to 57,321 and 118,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.