Home / 211,626-309,474

Finding the Third Proportional to 211,626 and 309,474

Calculator

Solution

The third proportional to 211,626 and 309,474 is: 452,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626 : 309,474 = 309,474 : x
  2. Step 2: Convert to fraction form
    211,626/309,474 = 309,474/x
  3. Step 3: Cross multiply
    211,626x = 309,474 × 309,474
  4. Step 4: Simplify right side
    211,626x = 95,774,156,676
  5. Step 5: Solve for x
    x = 95,774,156,676/211,626
  6. Step 6: Final answer
    x = 452,563.28

Related Problems

Find third proportional to 105,813 and 154,737
Half scale
Find third proportional to 423,252 and 618,948
Double scale
Find third proportional to 211,628 and 309,477
Similar ratio
Find third proportional to 317,439 and 464,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.