Home / 185,540-397,316

Finding the Third Proportional to 185,540 and 397,316

Calculator

Solution

The third proportional to 185,540 and 397,316 is: 850,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,540 : 397,316 = 397,316 : x
  2. Step 2: Convert to fraction form
    185,540/397,316 = 397,316/x
  3. Step 3: Cross multiply
    185,540x = 397,316 × 397,316
  4. Step 4: Simplify right side
    185,540x = 157,860,003,856
  5. Step 5: Solve for x
    x = 157,860,003,856/185,540
  6. Step 6: Final answer
    x = 850,813.86

Related Problems

Find third proportional to 92,770 and 198,658
Half scale
Find third proportional to 371,080 and 794,632
Double scale
Find third proportional to 185,542 and 397,320
Similar ratio
Find third proportional to 278,310 and 595,974
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.