Home / 72,468-155,655

Finding the Third Proportional to 72,468 and 155,655

Calculator

Solution

The third proportional to 72,468 and 155,655 is: 334,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,468 : 155,655 = 155,655 : x
  2. Step 2: Convert to fraction form
    72,468/155,655 = 155,655/x
  3. Step 3: Cross multiply
    72,468x = 155,655 × 155,655
  4. Step 4: Simplify right side
    72,468x = 24,228,479,025
  5. Step 5: Solve for x
    x = 24,228,479,025/72,468
  6. Step 6: Final answer
    x = 334,333.49

Related Problems

Find third proportional to 36,234 and 77,827.50
Half scale
Find third proportional to 144,936 and 311,310
Double scale
Find third proportional to 72,470 and 155,659
Similar ratio
Find third proportional to 108,702 and 233,482.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.