Home / 309,676-452,565

Finding the Third Proportional to 309,676 and 452,565

Calculator

Solution

The third proportional to 309,676 and 452,565 is: 661,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,676 : 452,565 = 452,565 : x
  2. Step 2: Convert to fraction form
    309,676/452,565 = 452,565/x
  3. Step 3: Cross multiply
    309,676x = 452,565 × 452,565
  4. Step 4: Simplify right side
    309,676x = 204,815,079,225
  5. Step 5: Solve for x
    x = 204,815,079,225/309,676
  6. Step 6: Final answer
    x = 661,385.06

Related Problems

Find third proportional to 154,838 and 226,282.50
Half scale
Find third proportional to 619,352 and 905,130
Double scale
Find third proportional to 309,678 and 452,568
Similar ratio
Find third proportional to 464,514 and 678,847.50
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.