Home / 87,659-189,336

Finding the Third Proportional to 87,659 and 189,336

Calculator

Solution

The third proportional to 87,659 and 189,336 is: 408,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,659 : 189,336 = 189,336 : x
  2. Step 2: Convert to fraction form
    87,659/189,336 = 189,336/x
  3. Step 3: Cross multiply
    87,659x = 189,336 × 189,336
  4. Step 4: Simplify right side
    87,659x = 35,848,120,896
  5. Step 5: Solve for x
    x = 35,848,120,896/87,659
  6. Step 6: Final answer
    x = 408,949.69

Related Problems

Find third proportional to 43,829.50 and 94,668
Half scale
Find third proportional to 175,318 and 378,672
Double scale
Find third proportional to 87,661 and 189,340
Similar ratio
Find third proportional to 131,488.50 and 284,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.