Home / 19,218-29,220

Finding the Third Proportional to 19,218 and 29,220

Calculator

Solution

The third proportional to 19,218 and 29,220 is: 44,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218 : 29,220 = 29,220 : x
  2. Step 2: Convert to fraction form
    19,218/29,220 = 29,220/x
  3. Step 3: Cross multiply
    19,218x = 29,220 × 29,220
  4. Step 4: Simplify right side
    19,218x = 853,808,400
  5. Step 5: Solve for x
    x = 853,808,400/19,218
  6. Step 6: Final answer
    x = 44,427.54

Related Problems

Find third proportional to 9,609 and 14,610
Half scale
Find third proportional to 38,436 and 58,440
Double scale
Find third proportional to 19,220 and 29,223
Similar ratio
Find third proportional to 28,827 and 43,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.