Home / 129,869-194,281

Finding the Third Proportional to 129,869 and 194,281

Calculator

Solution

The third proportional to 129,869 and 194,281 is: 290,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,869 : 194,281 = 194,281 : x
  2. Step 2: Convert to fraction form
    129,869/194,281 = 194,281/x
  3. Step 3: Cross multiply
    129,869x = 194,281 × 194,281
  4. Step 4: Simplify right side
    129,869x = 37,745,106,961
  5. Step 5: Solve for x
    x = 37,745,106,961/129,869
  6. Step 6: Final answer
    x = 290,639.85

Related Problems

Find third proportional to 64,934.50 and 97,140.50
Half scale
Find third proportional to 259,738 and 388,562
Double scale
Find third proportional to 129,871 and 194,284
Similar ratio
Find third proportional to 194,803.50 and 291,421.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.