Home / 38,364-79,390

Finding the Third Proportional to 38,364 and 79,390

Calculator

Solution

The third proportional to 38,364 and 79,390 is: 164,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364 : 79,390 = 79,390 : x
  2. Step 2: Convert to fraction form
    38,364/79,390 = 79,390/x
  3. Step 3: Cross multiply
    38,364x = 79,390 × 79,390
  4. Step 4: Simplify right side
    38,364x = 6,302,772,100
  5. Step 5: Solve for x
    x = 6,302,772,100/38,364
  6. Step 6: Final answer
    x = 164,288.71

Related Problems

Find third proportional to 19,182 and 39,695
Half scale
Find third proportional to 76,728 and 158,780
Double scale
Find third proportional to 38,366 and 79,394
Similar ratio
Find third proportional to 57,546 and 119,085
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.