Home / 276,374-426,777

Finding the Third Proportional to 276,374 and 426,777

Calculator

Solution

The third proportional to 276,374 and 426,777 is: 659,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,374 : 426,777 = 426,777 : x
  2. Step 2: Convert to fraction form
    276,374/426,777 = 426,777/x
  3. Step 3: Cross multiply
    276,374x = 426,777 × 426,777
  4. Step 4: Simplify right side
    276,374x = 182,138,607,729
  5. Step 5: Solve for x
    x = 182,138,607,729/276,374
  6. Step 6: Final answer
    x = 659,029.46

Related Problems

Find third proportional to 138,187 and 213,388.50
Half scale
Find third proportional to 552,748 and 853,554
Double scale
Find third proportional to 276,376 and 426,780
Similar ratio
Find third proportional to 414,561 and 640,165.50
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.