Home / 180,477-391,086

Finding the Third Proportional to 180,477 and 391,086

Calculator

Solution

The third proportional to 180,477 and 391,086 is: 847,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,477 : 391,086 = 391,086 : x
  2. Step 2: Convert to fraction form
    180,477/391,086 = 391,086/x
  3. Step 3: Cross multiply
    180,477x = 391,086 × 391,086
  4. Step 4: Simplify right side
    180,477x = 152,948,259,396
  5. Step 5: Solve for x
    x = 152,948,259,396/180,477
  6. Step 6: Final answer
    x = 847,466.77

Related Problems

Find third proportional to 90,238.50 and 195,543
Half scale
Find third proportional to 360,954 and 782,172
Double scale
Find third proportional to 180,479 and 391,090
Similar ratio
Find third proportional to 270,715.50 and 586,629
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.