Home / 187,928-409,775

Finding the Third Proportional to 187,928 and 409,775

Calculator

Solution

The third proportional to 187,928 and 409,775 is: 893,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,928 : 409,775 = 409,775 : x
  2. Step 2: Convert to fraction form
    187,928/409,775 = 409,775/x
  3. Step 3: Cross multiply
    187,928x = 409,775 × 409,775
  4. Step 4: Simplify right side
    187,928x = 167,915,550,625
  5. Step 5: Solve for x
    x = 167,915,550,625/187,928
  6. Step 6: Final answer
    x = 893,510.02

Related Problems

Find third proportional to 93,964 and 204,887.50
Half scale
Find third proportional to 375,856 and 819,550
Double scale
Find third proportional to 187,930 and 409,779
Similar ratio
Find third proportional to 281,892 and 614,662.50
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.