Home / 8,354-19,418

Finding the Third Proportional to 8,354 and 19,418

Calculator

Solution

The third proportional to 8,354 and 19,418 is: 45,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354 : 19,418 = 19,418 : x
  2. Step 2: Convert to fraction form
    8,354/19,418 = 19,418/x
  3. Step 3: Cross multiply
    8,354x = 19,418 × 19,418
  4. Step 4: Simplify right side
    8,354x = 377,058,724
  5. Step 5: Solve for x
    x = 377,058,724/8,354
  6. Step 6: Final answer
    x = 45,135.11

Related Problems

Find third proportional to 4,177 and 9,709
Half scale
Find third proportional to 16,708 and 38,836
Double scale
Find third proportional to 8,356 and 19,423
Similar ratio
Find third proportional to 12,531 and 29,127
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.