Home / 135,360-198,423

Finding the Third Proportional to 135,360 and 198,423

Calculator

Solution

The third proportional to 135,360 and 198,423 is: 290,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,360 : 198,423 = 198,423 : x
  2. Step 2: Convert to fraction form
    135,360/198,423 = 198,423/x
  3. Step 3: Cross multiply
    135,360x = 198,423 × 198,423
  4. Step 4: Simplify right side
    135,360x = 39,371,686,929
  5. Step 5: Solve for x
    x = 39,371,686,929/135,360
  6. Step 6: Final answer
    x = 290,866.48

Related Problems

Find third proportional to 67,680 and 99,211.50
Half scale
Find third proportional to 270,720 and 396,846
Double scale
Find third proportional to 135,362 and 198,426
Similar ratio
Find third proportional to 203,040 and 297,634.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.