Home / 8,218-19,798

Finding the Third Proportional to 8,218 and 19,798

Calculator

Solution

The third proportional to 8,218 and 19,798 is: 47,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218 : 19,798 = 19,798 : x
  2. Step 2: Convert to fraction form
    8,218/19,798 = 19,798/x
  3. Step 3: Cross multiply
    8,218x = 19,798 × 19,798
  4. Step 4: Simplify right side
    8,218x = 391,960,804
  5. Step 5: Solve for x
    x = 391,960,804/8,218
  6. Step 6: Final answer
    x = 47,695.40

Related Problems

Find third proportional to 4,109 and 9,899
Half scale
Find third proportional to 16,436 and 39,596
Double scale
Find third proportional to 8,220 and 19,803
Similar ratio
Find third proportional to 12,327 and 29,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.