Home / 311,244-679,026

Finding the Third Proportional to 311,244 and 679,026

Calculator

Solution

The third proportional to 311,244 and 679,026 is: 1,481,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,244 : 679,026 = 679,026 : x
  2. Step 2: Convert to fraction form
    311,244/679,026 = 679,026/x
  3. Step 3: Cross multiply
    311,244x = 679,026 × 679,026
  4. Step 4: Simplify right side
    311,244x = 461,076,308,676
  5. Step 5: Solve for x
    x = 461,076,308,676/311,244
  6. Step 6: Final answer
    x = 1,481,398.22

Related Problems

Find third proportional to 155,622 and 339,513
Half scale
Find third proportional to 622,488 and 1,358,052
Double scale
Find third proportional to 311,246 and 679,030
Similar ratio
Find third proportional to 466,866 and 1,018,539
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.