Home / 377,183-813,415

Finding the Third Proportional to 377,183 and 813,415

Calculator

Solution

The third proportional to 377,183 and 813,415 is: 1,754,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,183 : 813,415 = 813,415 : x
  2. Step 2: Convert to fraction form
    377,183/813,415 = 813,415/x
  3. Step 3: Cross multiply
    377,183x = 813,415 × 813,415
  4. Step 4: Simplify right side
    377,183x = 661,643,962,225
  5. Step 5: Solve for x
    x = 661,643,962,225/377,183
  6. Step 6: Final answer
    x = 1,754,172.28

Related Problems

Find third proportional to 188,591.50 and 406,707.50
Half scale
Find third proportional to 754,366 and 1,626,830
Double scale
Find third proportional to 377,185 and 813,419
Similar ratio
Find third proportional to 565,774.50 and 1,220,122.50
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.