Home / 299,268-656,689

Finding the Third Proportional to 299,268 and 656,689

Calculator

Solution

The third proportional to 299,268 and 656,689 is: 1,440,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,268 : 656,689 = 656,689 : x
  2. Step 2: Convert to fraction form
    299,268/656,689 = 656,689/x
  3. Step 3: Cross multiply
    299,268x = 656,689 × 656,689
  4. Step 4: Simplify right side
    299,268x = 431,240,442,721
  5. Step 5: Solve for x
    x = 431,240,442,721/299,268
  6. Step 6: Final answer
    x = 1,440,984.14

Related Problems

Find third proportional to 149,634 and 328,344.50
Half scale
Find third proportional to 598,536 and 1,313,378
Double scale
Find third proportional to 299,270 and 656,693
Similar ratio
Find third proportional to 448,902 and 985,033.50
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.