Home / 18,838-29,123

Finding the Third Proportional to 18,838 and 29,123

Calculator

Solution

The third proportional to 18,838 and 29,123 is: 45,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838 : 29,123 = 29,123 : x
  2. Step 2: Convert to fraction form
    18,838/29,123 = 29,123/x
  3. Step 3: Cross multiply
    18,838x = 29,123 × 29,123
  4. Step 4: Simplify right side
    18,838x = 848,149,129
  5. Step 5: Solve for x
    x = 848,149,129/18,838
  6. Step 6: Final answer
    x = 45,023.31

Related Problems

Find third proportional to 9,419 and 14,561.50
Half scale
Find third proportional to 37,676 and 58,246
Double scale
Find third proportional to 18,840 and 29,126
Similar ratio
Find third proportional to 28,257 and 43,684.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.