Home / 87,171-187,635

Finding the Third Proportional to 87,171 and 187,635

Calculator

Solution

The third proportional to 87,171 and 187,635 is: 403,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,171 : 187,635 = 187,635 : x
  2. Step 2: Convert to fraction form
    87,171/187,635 = 187,635/x
  3. Step 3: Cross multiply
    87,171x = 187,635 × 187,635
  4. Step 4: Simplify right side
    87,171x = 35,206,893,225
  5. Step 5: Solve for x
    x = 35,206,893,225/87,171
  6. Step 6: Final answer
    x = 403,883.09

Related Problems

Find third proportional to 43,585.50 and 93,817.50
Half scale
Find third proportional to 174,342 and 375,270
Double scale
Find third proportional to 87,173 and 187,639
Similar ratio
Find third proportional to 130,756.50 and 281,452.50
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.