Home / 87,450-188,280

Finding the Third Proportional to 87,450 and 188,280

Calculator

Solution

The third proportional to 87,450 and 188,280 is: 405,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450 : 188,280 = 188,280 : x
  2. Step 2: Convert to fraction form
    87,450/188,280 = 188,280/x
  3. Step 3: Cross multiply
    87,450x = 188,280 × 188,280
  4. Step 4: Simplify right side
    87,450x = 35,449,358,400
  5. Step 5: Solve for x
    x = 35,449,358,400/87,450
  6. Step 6: Final answer
    x = 405,367.16

Related Problems

Find third proportional to 43,725 and 94,140
Half scale
Find third proportional to 174,900 and 376,560
Double scale
Find third proportional to 87,452 and 188,284
Similar ratio
Find third proportional to 131,175 and 282,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.