Home / 38,980-85,736

Finding the Third Proportional to 38,980 and 85,736

Calculator

Solution

The third proportional to 38,980 and 85,736 is: 188,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980 : 85,736 = 85,736 : x
  2. Step 2: Convert to fraction form
    38,980/85,736 = 85,736/x
  3. Step 3: Cross multiply
    38,980x = 85,736 × 85,736
  4. Step 4: Simplify right side
    38,980x = 7,350,661,696
  5. Step 5: Solve for x
    x = 7,350,661,696/38,980
  6. Step 6: Final answer
    x = 188,575.21

Related Problems

Find third proportional to 19,490 and 42,868
Half scale
Find third proportional to 77,960 and 171,472
Double scale
Find third proportional to 38,982 and 85,740
Similar ratio
Find third proportional to 58,470 and 128,604
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.