Home / 180,098-391,908

Finding the Third Proportional to 180,098 and 391,908

Calculator

Solution

The third proportional to 180,098 and 391,908 is: 852,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,098 : 391,908 = 391,908 : x
  2. Step 2: Convert to fraction form
    180,098/391,908 = 391,908/x
  3. Step 3: Cross multiply
    180,098x = 391,908 × 391,908
  4. Step 4: Simplify right side
    180,098x = 153,591,880,464
  5. Step 5: Solve for x
    x = 153,591,880,464/180,098
  6. Step 6: Final answer
    x = 852,823.91

Related Problems

Find third proportional to 90,049 and 195,954
Half scale
Find third proportional to 360,196 and 783,816
Double scale
Find third proportional to 180,100 and 391,912
Similar ratio
Find third proportional to 270,147 and 587,862
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.