Home / 87,677-186,289

Finding the Third Proportional to 87,677 and 186,289

Calculator

Solution

The third proportional to 87,677 and 186,289 is: 395,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677 : 186,289 = 186,289 : x
  2. Step 2: Convert to fraction form
    87,677/186,289 = 186,289/x
  3. Step 3: Cross multiply
    87,677x = 186,289 × 186,289
  4. Step 4: Simplify right side
    87,677x = 34,703,591,521
  5. Step 5: Solve for x
    x = 34,703,591,521/87,677
  6. Step 6: Final answer
    x = 395,811.80

Related Problems

Find third proportional to 43,838.50 and 93,144.50
Half scale
Find third proportional to 175,354 and 372,578
Double scale
Find third proportional to 87,679 and 186,293
Similar ratio
Find third proportional to 131,515.50 and 279,433.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.