Home / 261,846-400,385

Finding the Third Proportional to 261,846 and 400,385

Calculator

Solution

The third proportional to 261,846 and 400,385 is: 612,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,846 : 400,385 = 400,385 : x
  2. Step 2: Convert to fraction form
    261,846/400,385 = 400,385/x
  3. Step 3: Cross multiply
    261,846x = 400,385 × 400,385
  4. Step 4: Simplify right side
    261,846x = 160,308,148,225
  5. Step 5: Solve for x
    x = 160,308,148,225/261,846
  6. Step 6: Final answer
    x = 612,223.02

Related Problems

Find third proportional to 130,923 and 200,192.50
Half scale
Find third proportional to 523,692 and 800,770
Double scale
Find third proportional to 261,848 and 400,388
Similar ratio
Find third proportional to 392,769 and 600,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.