Home / 18,954-28,359

Finding the Third Proportional to 18,954 and 28,359

Calculator

Solution

The third proportional to 18,954 and 28,359 is: 42,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954 : 28,359 = 28,359 : x
  2. Step 2: Convert to fraction form
    18,954/28,359 = 28,359/x
  3. Step 3: Cross multiply
    18,954x = 28,359 × 28,359
  4. Step 4: Simplify right side
    18,954x = 804,232,881
  5. Step 5: Solve for x
    x = 804,232,881/18,954
  6. Step 6: Final answer
    x = 42,430.77

Related Problems

Find third proportional to 9,477 and 14,179.50
Half scale
Find third proportional to 37,908 and 56,718
Double scale
Find third proportional to 18,956 and 28,362
Similar ratio
Find third proportional to 28,431 and 42,538.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.