Home / 276,372-426,774

Finding the Third Proportional to 276,372 and 426,774

Calculator

Solution

The third proportional to 276,372 and 426,774 is: 659,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,372 : 426,774 = 426,774 : x
  2. Step 2: Convert to fraction form
    276,372/426,774 = 426,774/x
  3. Step 3: Cross multiply
    276,372x = 426,774 × 426,774
  4. Step 4: Simplify right side
    276,372x = 182,136,047,076
  5. Step 5: Solve for x
    x = 182,136,047,076/276,372
  6. Step 6: Final answer
    x = 659,024.96

Related Problems

Find third proportional to 138,186 and 213,387
Half scale
Find third proportional to 552,744 and 853,548
Double scale
Find third proportional to 276,374 and 426,777
Similar ratio
Find third proportional to 414,558 and 640,161
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.