Home / 276,338-426,713

Finding the Third Proportional to 276,338 and 426,713

Calculator

Solution

The third proportional to 276,338 and 426,713 is: 658,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,338 : 426,713 = 426,713 : x
  2. Step 2: Convert to fraction form
    276,338/426,713 = 426,713/x
  3. Step 3: Cross multiply
    276,338x = 426,713 × 426,713
  4. Step 4: Simplify right side
    276,338x = 182,083,984,369
  5. Step 5: Solve for x
    x = 182,083,984,369/276,338
  6. Step 6: Final answer
    x = 658,917.65

Related Problems

Find third proportional to 138,169 and 213,356.50
Half scale
Find third proportional to 552,676 and 853,426
Double scale
Find third proportional to 276,340 and 426,716
Similar ratio
Find third proportional to 414,507 and 640,069.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.