Home / 187,930-409,779

Finding the Third Proportional to 187,930 and 409,779

Calculator

Solution

The third proportional to 187,930 and 409,779 is: 893,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,930 : 409,779 = 409,779 : x
  2. Step 2: Convert to fraction form
    187,930/409,779 = 409,779/x
  3. Step 3: Cross multiply
    187,930x = 409,779 × 409,779
  4. Step 4: Simplify right side
    187,930x = 167,918,828,841
  5. Step 5: Solve for x
    x = 167,918,828,841/187,930
  6. Step 6: Final answer
    x = 893,517.95

Related Problems

Find third proportional to 93,965 and 204,889.50
Half scale
Find third proportional to 375,860 and 819,558
Double scale
Find third proportional to 187,932 and 409,783
Similar ratio
Find third proportional to 281,895 and 614,668.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.