Home / 129,764-283,616

Finding the Third Proportional to 129,764 and 283,616

Calculator

Solution

The third proportional to 129,764 and 283,616 is: 619,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,764 : 283,616 = 283,616 : x
  2. Step 2: Convert to fraction form
    129,764/283,616 = 283,616/x
  3. Step 3: Cross multiply
    129,764x = 283,616 × 283,616
  4. Step 4: Simplify right side
    129,764x = 80,438,035,456
  5. Step 5: Solve for x
    x = 80,438,035,456/129,764
  6. Step 6: Final answer
    x = 619,879.44

Related Problems

Find third proportional to 64,882 and 141,808
Half scale
Find third proportional to 259,528 and 567,232
Double scale
Find third proportional to 129,766 and 283,620
Similar ratio
Find third proportional to 194,646 and 425,424
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.