Home / 38,912-87,929

Finding the Third Proportional to 38,912 and 87,929

Calculator

Solution

The third proportional to 38,912 and 87,929 is: 198,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912 : 87,929 = 87,929 : x
  2. Step 2: Convert to fraction form
    38,912/87,929 = 87,929/x
  3. Step 3: Cross multiply
    38,912x = 87,929 × 87,929
  4. Step 4: Simplify right side
    38,912x = 7,731,509,041
  5. Step 5: Solve for x
    x = 7,731,509,041/38,912
  6. Step 6: Final answer
    x = 198,692.15

Related Problems

Find third proportional to 19,456 and 43,964.50
Half scale
Find third proportional to 77,824 and 175,858
Double scale
Find third proportional to 38,914 and 87,934
Similar ratio
Find third proportional to 58,368 and 131,893.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.