Home / 225,869-309,738

Finding the Third Proportional to 225,869 and 309,738

Calculator

Solution

The third proportional to 225,869 and 309,738 is: 424,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,869 : 309,738 = 309,738 : x
  2. Step 2: Convert to fraction form
    225,869/309,738 = 309,738/x
  3. Step 3: Cross multiply
    225,869x = 309,738 × 309,738
  4. Step 4: Simplify right side
    225,869x = 95,937,628,644
  5. Step 5: Solve for x
    x = 95,937,628,644/225,869
  6. Step 6: Final answer
    x = 424,748.99

Related Problems

Find third proportional to 112,934.50 and 154,869
Half scale
Find third proportional to 451,738 and 619,476
Double scale
Find third proportional to 225,871 and 309,741
Similar ratio
Find third proportional to 338,803.50 and 464,607
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.