Home / 376,813-819,074

Finding the Third Proportional to 376,813 and 819,074

Calculator

Solution

The third proportional to 376,813 and 819,074 is: 1,780,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,813 : 819,074 = 819,074 : x
  2. Step 2: Convert to fraction form
    376,813/819,074 = 819,074/x
  3. Step 3: Cross multiply
    376,813x = 819,074 × 819,074
  4. Step 4: Simplify right side
    376,813x = 670,882,217,476
  5. Step 5: Solve for x
    x = 670,882,217,476/376,813
  6. Step 6: Final answer
    x = 1,780,411.55

Related Problems

Find third proportional to 188,406.50 and 409,537
Half scale
Find third proportional to 753,626 and 1,638,148
Double scale
Find third proportional to 376,815 and 819,078
Similar ratio
Find third proportional to 565,219.50 and 1,228,611
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.