Home / 377,105-813,219

Finding the Third Proportional to 377,105 and 813,219

Calculator

Solution

The third proportional to 377,105 and 813,219 is: 1,753,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,105 : 813,219 = 813,219 : x
  2. Step 2: Convert to fraction form
    377,105/813,219 = 813,219/x
  3. Step 3: Cross multiply
    377,105x = 813,219 × 813,219
  4. Step 4: Simplify right side
    377,105x = 661,325,141,961
  5. Step 5: Solve for x
    x = 661,325,141,961/377,105
  6. Step 6: Final answer
    x = 1,753,689.67

Related Problems

Find third proportional to 188,552.50 and 406,609.50
Half scale
Find third proportional to 754,210 and 1,626,438
Double scale
Find third proportional to 377,107 and 813,223
Similar ratio
Find third proportional to 565,657.50 and 1,219,828.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.